PERTANIKA JOURNAL OF SCIENCE AND TECHNOLOGY

e-ISSN 2231-8526
ISSN 0128-7680

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PJST Vol. 31 (2) Mar. 2023

Download latest complete journal – PJST Vol. 31 (2) Mar. 2023

Foreword by the Chief Executive Editor

Articles

The Impact of Integrating Multi-Microgrid System with FACTS Devices for Voltage Profile Enhancement and Real Power Loss Reduction in Power System: A Review

Ainna Nadirah Zubidi, Bazilah Ismail, Ibrahim Mohamed Ali Al Hamrounni, Nadia Hanis Abd Rahman and Mohd Helmy Hakimie Mohd Rozlan

https://doi.org/10.47836/pjst.31.2.01

Full Article

(Downloads: 134)

Abstract

(Viewed: 1174)

Modified K-Means Clustering for Demand-Weighted Locations: A Thailand’s Convenience Store Franchise - Case Study

Chartchai Leenawong and Thanrada Chaikajonwat

https://doi.org/10.47836/pjst.31.2.02

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(Downloads: 73)

Abstract

(Viewed: 1793)

Visible-Near-Infrared Spectroscopy and Chemometrics for Authentication Detection of Organic Soybean Flour

Rudiati Evi Masithoh, Muhammad Fahri Reza Pahlawan, Devi Alicia Surya Saputri and Farid Rakhmat Abadi

https://doi.org/10.47836/pjst.31.2.03

Full Article

(Downloads: 70)

Abstract

(Viewed: 1643)

Optimum Temperature and Salinity Conditions for Growth, Lipid Contents, and Fatty Acids Composition of Centric Diatoms Chaetoceros Calcitrans and Thaassiosira Weissflogii

Ahmed Awadh Ahmed Sas, Aziz Arshad, Simon Kumar Das, Suriyanti Su Nyun Pau and Zaidi Che Cob

https://doi.org/10.47836/pjst.31.2.04

Full Article

(Downloads: 97)

Abstract

(Viewed: 1599)

Production of Biosurfactant Using Bacillus subtilis Natto Fermentation

Yew Seng Leow, Norhafizah Abdullah, Dayang Radiah Awang Biak, Nur Syakina Jamali Rozita Rosli and Huey Fang Teh

https://doi.org/10.47836/pjst.31.2.05

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(Downloads: 85)

Abstract

(Viewed: 1529)

Aquaculture Wastewater Quality Improvement by Floating Raft of Native Aquatic Plants in An Giang Province, Vietnam

Khanh Tran Thien Nguyen, Chi Thi Dao Vo, An Thuy Ngo, Nghi Thanh Doan, Luyen Phuc Huynh and Dung Huynh Thuy Tran

https://doi.org/10.47836/pjst.31.2.06

Full Article

(Downloads: 64)

Abstract

(Viewed: 1349)

Characterising Colour Feature Descriptors for Ficus carica L. Ripeness Classification Based on Artificial Neural Network (ANN)

Iylia Adhwa Mazni, Samsul Setumin, Mohamed Syazwan Osman, Muhammad Khusairi Osman and Mohd Subri Tahir

https://doi.org/10.47836/pjst.31.2.07

Full Article

(Downloads: 43)

Abstract

(Viewed: 1368)

Potential of Fatty Acid Methyl Ester as Diesel Blends Produced from Free Fatty Acid in Waste Cooking Oil Catalyzed by Montmorillonite-Sulfonated Carbon

Hasanudin Hasanudin, Wan Ryan Asri, Firda Rahmania Putri, Fahma Riyanti, Zainal Fanani, Addy Rachmat, Novia Novia and Tuty Emilia Agustina

https://doi.org/10.47836/pjst.31.2.08

Full Article

(Downloads: 138)

Abstract

(Viewed: 2186)

Transfer Learning VGG16 Model for Classification of Tomato Plant Leaf Diseases: A Novel Approach for Multi-Level Dimensional Reduction

Premkumar Borugadda, Ramasami Lakshmi and Satyasangram Sahoo

https://doi.org/10.47836/pjst.31.2.09

Full Article

(Downloads: 131)

Abstract

(Viewed: 1886)

10.

Efficient Frequency-Dependent Coefficients of Explicit Improved Two-Derivative Runge-Kutta Type Methods for Solving Third-Order IVPs

Lee Khai Chien, Norazak Senu, Ali Ahmadian and Siti Nur Iqmal Ibrahim

https://doi.org/10.47836/pjst.31.2.10

Full Article

(Downloads: 60)

Abstract

(Viewed: 1274)

11.

An Optimum Classifier Model with Fuzzy C-Means for Fire Detection Technology

Elaiyaraja Gandhi and Kumaratharan Narayanaswamy

https://doi.org/10.47836/pjst.31.2.11

Full Article

(Downloads: 148)

Abstract

(Viewed: 1871)

12.

Conceptual Design of a Combined Brake-Accelerator Pedal for Limbs Disabled Driver Using a Hybrid Approach

Salami Bahariah Suliano, Siti Azfanizam Ahmad, Azizan As’arry and Faieza Abdul Aziz

https://doi.org/10.47836/pjst.31.2.12

Full Article

(Downloads: 48)

Abstract

(Viewed: 1422)

13.

The Photophysiology of Benthic Diatoms in the Intertidal Flats of Pulau Pinang (Malaysia)

Sazlina Salleh, Elaine Ee Ling Cheng, Md. Solaiman Hossain, Shakila Samad, Nur Ain Amani Abdul Mubin, Nur Aqilah Muhamad Darif, Michelle Glory G Jonik and Mahadi Mohammad

https://doi.org/10.47836/pjst.31.2.13

Full Article

(Downloads: 54)

Abstract

(Viewed: 1842)

14.

The Impact of Calcium Chloride in Cementation Solution on Microbial Induced Calcite Precipitation: A Systematic Review

Aljohani Waad Awdah Saad, Siti Norathirah Mohd Anas, Nor Safiqah Seminin, Putri Nur Suhaina Naim, Dardau Abdulaziz, Rusea Go, Nor Azwady Abdul Aziz, Mona Fatin Syazwanee Mohamed Ghazali and Muskhazli Mustafa

https://doi.org/10.47836/pjst.31.2.14

Full Article

(Downloads: 76)

Abstract

(Viewed: 1846)

15.

Lung Function Analysis of Marble Home Industry Workers in Tulungagung Regency

Noeroel Widajati, Tri Martiana, Tri Niswati Utami, Juliana Jalaludin and Titi Rahmawati Hamedon

https://doi.org/10.47836/pjst.31.2.15

Full Article

(Downloads: 80)

Abstract

(Viewed: 1616)

16.

Heat Stress and Noise Exposure Levels in a Manufacturing Plant

Qi Jie Kwong, Nursyifaasahirah Terbizi, Normaisarah Nordin, Emma Marinie Ahmad Zawawi, Azli Abd Razak and Jamalunlaili Abdullah

https://doi.org/10.47836/pjst.31.2.16

Full Article

(Downloads: 64)

Abstract

(Viewed: 1854)

17.

TOPSIS for Analyzing the Risk Factors of Suicidal Ideation Among University Students in Malaysia

Sin Yin Chan and Chee Keong Ch’ng

https://doi.org/10.47836/pjst.31.2.17

Full Article

(Downloads: 68)

Abstract

(Viewed: 1991)

18.

Influencing Physical Characteristics of Landslides in Kuala Lumpur, Malaysia

Syaidatul Azwani Zulkafli, Nuriah Abd Majid, Sharifah Zarina Syed Zakaria, Muhammad Rizal Razman and Minhaz Farid Ahmed

https://doi.org/10.47836/pjst.31.2.18

Full Article

(Downloads: 57)

Abstract

(Viewed: 1613)

19.

Subcritical Water Pretreatment for Anaerobic Digestion Enhancement: A Review

Adila Fazliyana Aili Hamzah, Muhammad Hazwan Hamzah, Hasfalina Che Man, Nur Syakina Jamali, Shamsul Izhar Siajam and Pau Loke Show

https://doi.org/10.47836/pjst.31.2.19

Full Article

(Downloads: 84)

Abstract

(Viewed: 1772)

20.

Distribution of Six Urban Bird Species in Urban Agglomeration of Central Region of Peninsular Malaysia Using Ebird Database

Aminah Madi, Fatihah Najihah Arazmi, Shukor Md. Nor and Mohammad Saiful Mansor

https://doi.org/10.47836/pjst.31.2.20

Full Article

(Downloads: 61)

Abstract

(Viewed: 2282)

21.

A Single Objective Crow Search for Modelling of Horizontal Flexible Plate Structure

Aida Nur Syafiqah Shaari, Muhamad Sukri Hadi and Abdul Malek Abdul Wahab

https://doi.org/10.47836/pjst.31.2.21

Full Article

(Downloads: 33)

Abstract

(Viewed: 1224)

22.

Physical and Electrical Breakdown Characteristics of Oil-Impregnated Kenaf Paper with the Introduction of External PVA for Transformer Application

Muhammad Umair, Norhafiz Azis, Rasmina Halis and Jasronita Jasni

https://doi.org/10.47836/pjst.31.2.22

Full Article

(Downloads: 42)

Abstract

(Viewed: 1420)

23.

The Predictive Ability of Total Genotype Score and Serum Metabolite Markers in Power-Based Sports Performance Following Different Strength Training Intensities — A Pilot Study

Elin Elisa Khairul, Wan Atiyyah Ab Wahab, Lay Kek Teh, Mohd Zaki Salleh, Mohd Salleh Rofiee, Raja Mohammed Firhad Raja Azidin and Sarina Md. Yusof

https://doi.org/10.47836/pjst.31.2.23

Full Article

(Downloads: 61)

Abstract

(Viewed: 1592)

24.

Investigation of Acoustic and Vibrational Properties Using Laser Doppler Vibrometry (LDV) and Electronic Speckle Pattern Interferometry (ESPI) of the Kulintangan Instruments

Sinin Hamdan, Ahmad Faudzi Musib, Khairul Anwar Mohamad Said, Saiful Hairi Othman and Marini Sawawi

https://doi.org/10.47836/pjst.31.2.24

Full Article

(Downloads: 41)

Abstract

(Viewed: 1244)

25.

The Breeding Ecology of the Painted Stork Mycteria leucocephala in Central Peninsular Malaysia

Mohd Amir Zakaria, Ummi Nur Syafiqah Daud, Mohammad Saiful Mansor and Shukor Md. Nor

https://doi.org/10.47836/pjst.31.2.25

Full Article

(Downloads: 44)

Abstract

(Viewed: 1037)