Vol 8, No 2 (2023)

IJOST: September 2023

DOI: https://doi.org/10.17509/ijost.v8i2

This issue consists of 11 articles from 64 authors affiliated with 21 institutions from 9 countries including:

  • Malaysia (Universiti Teknologi PETRONAS)
  • Brunei Darussalam (Universiti Brunei Darussalam)
  • Indonesia (Universitas Brawijaya, Universitas Pendidikan Indonesia, Universitas Halu Oleo, Politeknik Bina Husada Kendari, Universitas Khairun, National Research and Innovation Agency (BRIN), Badan Riset dan Inovasi Nasional, Universitas Siliwangi, Universitas Papua, Universitas Diponegoro, Universitas Negeri Semarang)
  • Iraq (University of Technology-Iraq)
  • Malaysia (Taylor's University)
  • Thailand (Thammasat University, Chulalongkorn University)
  • Japan (Hokkaido University, The University of Tokyo)
  • Morocco (University Mohammed Premier)
  • United Kingdom (Lancaster University)

Table of Contents

Articles

Green Route Synthesis of Amorphous Silica from Oil Palm Decanter Cake: From Literature Review to Experiments
Nursyahirah Abdul Rahim, Noorfidza Yub Harun, Anwar Ameen Hezam Saeed, Muhammad Roil Bilad
PDF
141-156
Technological Aptitude and Sensitivity of Lactic Acid Bacteria Leuconostoc Isolated from Raw Milk of Cows: From Step-by-Step Experimental Procedure to the Results
Nora Hamdaoui, Yahya Rokni, Abdeslam Asehraou, Mohamed Mouncif, Zakaria Mennane, Abdelouadoud Omari, Asmae Sellam, Belkheir Hammouti, Mustapha Meziane
PDF
157-170
Sustainable Production-Inventory Model with Multi-Material, Quality Degradation, and Probabilistic Demand: From Bibliometric Analysis to A Robust Model
Dana Marsetiya Utama, Imam Santoso, Yusuf Hendrawan, Wike A. P. Dania
PDF
171-196
Design of Robust Control for Vehicle Steer-by-Wire System
Suha S. Husain, Mina Qays Kadhim, Abdulkareem Sh. Mahdi Al-Obaidi, Alaq F. Hasan, Amjad J. Humaidi, Dwi Novia Al Husaeni
PDF
197-216
Phytochemical Profile and Biological Activities of Ethylacetate Extract of Peanut (Arachis hypogaea L.) Stems: In-Vitro and In-Silico Studies with Bibliometric Analysis
Idin Sahidin, N. Nohong, Marianti A. Manggau, A. Arfan, W. Wahyuni, Iren Meylani, M. Hajrul Malaka, Nur Syifa Rahmatika, Agung W. M. Yodha, Nur Upik En Masrika, Abdulkadir Kamaluddin, Andini Sundowo, Sofa Fajriah, Rathapon Asasutjarit, Adryan Fristiohady, Rina Maryanti, Nur Indri Rahayu, M. Muktiarni
PDF
217-242
Biochar from Agricultural Waste for Soil Amendment Candidate under Different Pyrolysis Temperatures
Abdul Mutolib, Ali Rahmat, Endra Triwisesa, H. Hidayat, Hari Hariadi, Kiki Kurniawan, S. Sutiharni, S. Sukamto
PDF
243-258
e-book Multimedia Animation Implementation on Concept Mastery and Problem-Solving Skills of Crystal Structure Subjects in Engineering Materials Course
Amay Suherman, Mumu Komaro, A. Ana
PDF
259-280
Bifunctional CaCO3/HY Catalyst in the Simultaneous Cracking-Deoxygenation of Palm Oil to Diesel-Range Hydrocarbons
Rosyad Adrian Febriansyar, Teguh Riyanto, I. Istadi, Didi D. Anggoro, Bunjerd Jongsomjit
PDF
281-306
Predicting Consumption Intention of Consumer Relationship Management Users Using Deep Learning Techniques: A Review
Eshrak Alaros, Mohsen Marjani, Dalia Abdulkareem Shafiq, David Asirvatham
PDF
307-328
Synthesis, Characterization, and Electrochemical Performance of Reduced Graphene Oxide-Metal (Cu,Zn)-Oxide Materials
Sugianto Sugianto, Ngurah Made Dharma Putra, Endah F. Rahayu, Wahyu B. Widayatno, Cherly Firdharini, Slamet Priyono, Didik Aryanto
PDF
329-344
How to Calculate and Measure Solution Concentration using UV-Vis Spectrum Analysis: Supporting Measurement in the Chemical Decomposition, Photocatalysis, Phytoremediation, and Adsorption Process
Asep Bayu Dani Nandiyanto, Risti Ragadhita, Muhammad Aziz
PDF
345-362