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Issue Title
 
Vol 8, No 3 (2023): IJOST: December 2023 How Eyes and Brain See Color: Definition of Color, Literature Review with Bibliometric Analysis, and Inquiry Learning Strategy for Teaching Color Changes to Student with Mild Intelligence Barriers Abstract   PDF
J. Juhanaini, Muhamad Rafi Wildan A Tandu Bela, Alya Jilan Rizqita
 
Vol 6, No 1 (2021): IJOST: April 2021 How to Calculate Adsorption Isotherms of Particles Using Two-Parameter Monolayer Adsorption Models and Equations Abstract   PDF
Risti Ragadhita, Asep Bayu Dani Nandiyanto
 
Vol 8, No 2 (2023): IJOST: September 2023 How to Calculate and Measure Solution Concentration using UV-Vis Spectrum Analysis: Supporting Measurement in the Chemical Decomposition, Photocatalysis, Phytoremediation, and Adsorption Process Abstract   PDF
Asep Bayu Dani Nandiyanto, Risti Ragadhita, Muhammad Aziz
 
Vol 9, No 1 (2024): IJOST: April 2024 How to Calculate Statistics for Significant Difference Test Using SPSS: Understanding Students Comprehension on the Concept of Steam Engines as Power Plant Abstract   PDF
Meli Fiandini, Asep Bayu Dani Nandiyanto, Dwi Fitria Al Husaeni, Dwi Novia Al Husaeni, M. Mushiban
 
Vol 8, No 3 (2023): IJOST: December 2023 How to Make and Characterize Hydroxyapatite from Eggshell Using the Hydrothermal Method: Potential Insights for Drug Delivery System Abstract   PDF
Ferli Septi Irwansyah, Alfi Ikhlasul Amal, Eko Prabowo Hadisantoso, Atiek Rostika Noviyanti, Diana Rakhmawaty Eddy, Risdiana Risdiana, Suryana Suryana, Shariffuddin Bin Md Zain
 
Vol 8, No 3 (2023): IJOST: December 2023 How to Purify and Experiment with Dye Adsorption using Carbon: Step-by-Step Procedure from Carbon Conversion from Agricultural Biomass to Concentration Measurement Using UV Vis Spectroscopy Abstract   PDF
Asep Bayu Dani Nandiyanto, Meli Fiandini, Risti Ragadhita, Muhammad Aziz
 
Vol 6, No 2 (2021): IJOST: September 2021 How to Read and Interpret 1H-NMR and 13C-NMR Spectrums Abstract   PDF
Ramdhan Gunawan, Asep Bayu Dani Nandiyanto
 
Vol 4, No 1 (2019): IJOST: April 2019 How to Read and Interpret FTIR Spectroscope of Organic Material Abstract   PDF
Asep Bayu Dani Nandiyanto, Rosi Oktiani, Risti Ragadhita
 
Vol 6, No 1 (2021): IJOST: April 2021 Hybrid Vector Autoregression Feedforward Neural Network with Genetic Algorithm Model for Forecasting Space-Time Pollution Data Abstract   PDF
Rezzy Eko Caraka, Rung Ching Chen, Hasbi Yasin, Suhartono Suhartono, Youngjo Lee, Bens Pardamean
 
Vol 6, No 2 (2021): IJOST: September 2021 Hypocholesterolemic Activity of Kedawung (Parkia roxburghii) Abstract   PDF
Nurul Isnaini Fitriyana, Kosuke Nishi, Takuya Sugahara
 
Vol 4, No 1 (2019): IJOST: April 2019 Identifying the Factor that Promotes Vertical Partner-ships: Empirical Evidence from Tier-1 and Tier-2 Compa-nies in Jabodetabek-Indonesia Abstract   PDF
Donny Oktavian Syah
 
Vol 6, No 3 (2021): IJOST: December 2021 Immersive Intelligent Tutoring System for Remedial Learning Using Virtual Learning Environment Abstract   PDF
R. Rasim, Yusep Rosmansyah, Armein Z.R. Langi, M. Munir
 
Vol 2, No 1 (2017): IJoST: April 2017 Improving Heat Exchanger Network Design of a Revamped Chemical Plant Abstract   PDF
Zulfan Adi Putra
 
Vol 3, No 1 (2018): IJoST: April 2018 Influence of Clay on Time Domain Induced Polarization Abstract   PDF
Yatini Yatini
 
Vol 2, No 2 (2017): IJoST: September 2017 Influences of Size and Amount of Colloidal Template and Droplet Diameter on the Formation of Porous-structured Hyaluronic Acid Particles Abstract   PDF
Asep Bayu Dani Nandiyanto, Kikuo Okuyama
 
Vol 8, No 1 (2023): IJOST: April 2023 Interpretation of Fourier Transform Infrared Spectra (FTIR): A Practical Approach in the Polymer/Plastic Thermal Decomposition Abstract   PDF
Asep Bayu Dani Nandiyanto, Risti Ragadhita, Meli Fiandini
 
Vol 4, No 2 (2019): IJOST: September 2019 Investigation of a Cruising Fixed Wing Mini Unmanned Aerial Vehicle Performance Optimization Abstract   PDF
Shahrooz Eftekhari, Abdulkareem Sh. Mahdi Al-Obaidi
 
Vol 6, No 3 (2021): IJOST: December 2021 Investigation of Compressive Behavior of Pre-folded Thin-walled Column Fabricated by 3D Printing Abstract   PDF
Farid Triawan, Elin Rachmawati, Bentang Arief Budiman, Djati Wibowo Djamari, Andy Saputro, Ilman Arpi
 
Vol 4, No 2 (2019): IJOST: September 2019 Investigation of the Adequacy of Bridge Design Loads in Pakistan Abstract   PDF
I Shahid, A. K. Noman, S. H. Farooq, Ali Arshad
 
Vol 7, No 2 (2022): IJOST: September 2022 In-Vitro Anticancer Activity of Chemical Constituents from Etlingera alba Poulsen against Triple Negative Breast Cancer and in silico Approaches towards Matrix metalloproteinase-1 Inhibition Abstract   PDF
W. Wahyuni, Ajeng Diantini, Mohammad Ghozali, Anas Subarnas, Euis Julaeha, Riezki Amalia, Adryan Fristiohady, Andini Sundowo, Sofa Fajriah, Yuni Elsa Hadisaputri, Raden Maya Febrianti, Fauzia Azzahra, Agung W.M. Yodha, I. Sahidin
 
Vol 4, No 1 (2019): IJOST: April 2019 Isolation and Identification of Hydrocarbon Degradation Bacteria and Phosphate Solubilizing Bacteria in Oil Contaminated Soil in Bojonegoro, East Java, Indonesia Abstract   PDF
Yuni Sri Rahayu
 
Vol 1, No 1 (2016): IJoST: April 2016 Kinetic and Thermodynamics Studies the Adsorption of Phenol on Activated Carbon from Rice Husk Activated by ZnCl2 Abstract   PDF
Andi Muhammad Anshar, Paulina Taba, Indah Raya
 
Vol 6, No 3 (2021): IJOST: December 2021 Length-weight relationship and condition factor of Trachurus trachurus found in the central-east region of the Moroccan Mediterranean Abstract   PDF
Hanae Nasri, Souad Abdellaoui, Abdelouadoud Omari, Omar Kada, Abdelhafid Chafi, Belkheir Hammouti, Khalid Chaabane
 
Vol 5, No 2 (2020): IJOST: September 2020 Level of Use and Satisfaction of E-Commerce Customers in Covid-19 Pandemic Period: An Information System Success Model (ISSM) Approach Abstract   PDF
Puspo Dewi Dirgantari, Yusuf Murtadlo Hidayat, Mohd Halim Mahphoth, Rury Nugraheni
 
Vol 3, No 1 (2018): IJoST: April 2018 Lignocellulosic Biomass Pretreatment for Biorefinery: A Review Abstract   PDF
Zulfan Adi Putra
 
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