Current Issue

Volume 13, Number 2


Index terms:
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.5598
Pages : 225-228

Index terms: ICT implementation; Small and medium-sized enterprises; SME competitiveness; SME innovation

Classification of SMEs According to Their ICT Implementation

Laima Catherine Alfonso-Orjuela, Yezid Alfonso Cancino-Gómez, Julio Alberto Perea- Sandoval

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4981
Pages : 229-239

Index terms: Chemical tankers; Integrated planning model; Inventory ship routing; Mixed-integer linear programming; Stowage planning

Inventory Ship Routing and Cargo Stowage Planning on Chemical Tankers

Stefanus Soegiharto, Teuku Yuri M. Zagloel, Sunaryo, Komarudin

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4757
Pages : 240-253

Index terms: Credit constraints; Financial constraints; Innovation activities; Research and development; World Bank Enterprises Survey
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4835
Pages : 254-263


Index terms: Artificial intelligence; Behavioural event interview; Chat bot; Interview bot; Machine learning

Interview Bot Development with Natural Language Processing and Machine Learning

Joko Siswanto, Sinung Suakanto, Made Andriani, Margareta Hardiyanti, Tien Febriyanti Kusumasari

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.5018
Pages : 274-285

Index terms: Electroencephalography; Fatigue; Prolonged driving

Fatigue during Prolonged Simulated Driving: An Electroencephalogram Study

Rida Zuraida, Titis Wijayanto, Hardianto Iridiastadi

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4820
Pages : 286-296

Index terms: AI-embedded IoT controller; Compact and low-cost transmission; Electromagnetic gearbox; Energy efficient; Fuzzy logic controller
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.3913
Pages : 297-309


Index terms: Direct mechanical drive system; Efficiency; Short-wave period; UCG-WEC; Wave energy
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.5071
Pages : 321-331

Index terms: Added resistance; Hydroelastic body; Rigid body; Ship resistance experiment; Total resistance

Experimental Investigation of Added Resistance of a Ship using a Hydroelastic Body in Waves

Suandar Baso, Andi Ardianti, Andi Dian Eka Anggriani, Rosmani Rosmani, Lukman Bochary

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4904
Pages : 332-344

Index terms: Authorship; Long-short-term memory (LSTM); Obfuscation
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4257
Pages : 345-355

Index terms: Ciliwung River Basin; Curve number; Flood; Land cover change

Flood Prediction due to Land Cover Change in the Ciliwung River Basin

Mohammad Farid, Maryo Inri Pratama, Arno Adi Kuntoro, Mohammad Bagus Adityawan, Faizal Immaddudin Wira Rohmat, Idham Riyando Moe

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4662
Pages : 356-366

Index terms: Adsorption; Aquatic ecosystem; Heavy metals; Microbial ecology; Water pollutant

Characteristics of Cd(II) Biosorption into Streamer Biofilm Matrices

Andi Kurniawan, Tatsuya Yamamoto, Arning Wilujeng Ekawati, Lutfi Ni'matus Salamah, Abd. Aziz Amin, Adi Tiya Yanuar

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4380
Pages : 367-377

Index terms: Methyl ester sulfonate; Microwave; Sulfonation; Transesterification; Virgin Coconut Oil

Surfactant Production of Methyl Ester Sulfonate from Virgin Coconut Oil using Aluminum Oxide with Microwave Assistance

Lailatul Qadariyah, Sahiba Sahila, Christiyani Sirait, Christopher P.E. Purba, Donny Satria Bhuana, Mahfud Mahfud

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4449
Pages : 378-388

Index terms: Copolymer; Grafted; MMA; Rheology; Xanthan gum

Modification of Xanthan Gum with Methyl Methacrylate and Investigation of Its Rheological Properties

Kusherova Parassat Tulegenovna, El-Sayed Negim, Khaldun M. Al Azzam, Mohammad Azmi Bustam

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4945
Pages : 389-397

Index terms: Adsorption isotherm; Chitosan-graft-maleic; Mathematical model; Moving boundary; pH-responsive
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4594
Pages : 398-409

Index terms: Citric acid; Diffusion model; Leaching kinetics; Nickel laterite; Shrinking core model
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4641
Pages : 410-421

Index terms: Biodegradation; Crude oil; Seawater; Single and consortia cultures
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4898
Pages : 422-431

Index terms: Cookies Quality; Crispness; Rice Flour; Tapioca Flour; Wheat Flour
Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.5208
Pages : 432-443

Index terms: Chitosan; Composite Film; Drug delivery system; Kinetic model; Nanosilica

Preparation, Characterization, and Release Study of Nanosilica/Chitosan Composite Films

Nadya Alfa Cahaya Imani, Yuni Kusumastuti, Himawan Tri Bayu Murti Petrus, Daniel Timotius, Nur Rofiqoh Eviana Putri, Mime Kobayashi

Publication Date (Online):
Apr 01, 2022
DOI: https://doi.org/10.14716/ijtech.v13i2.4733
Pages : 444-453