Exploring the Frontiers of Optimization: A Synopsis of the Latest Articles in JOSI

In the latest issue of Jurnal Optimasi Sistem Industri, a diverse array of pioneering research papers has been meticulously curated, showcasing the forefront of industrial system optimization. The issue embarks with an insightful study titled "Physiological Signals as Predictors of Mental Workload: Evaluating Single Classifier and Ensemble Learning Models" by a team from Universitas Qomaruddin, Indonesia, spanning pages 81-98. This is followed by an innovative exploration into "Optimizing Surface Finish and Dimensional Accuracy in 3D Printed Free-Form Objects" by researchers from Universitas Serang Raya, Indonesia, and Universiti Malaysia Perlis, Malaysia, covered on pages 99-113. Delving into the realm of problem-solving, "Dynamic Scoring and Costing in the Orienteering Problem: A Model Based on Length of Stay" by scholars from Parahyangan Catholic University, Indonesia, spans pages 114-125, offering a new perspective on optimization.

Further enriching the issue, "AVOA and ALO Algorithm for Energy-Efficient No-Idle Permutation Flow Shop Scheduling Problem: A Comparison Study" by the academicians from Universitas Muhammadiyah Malang, Indonesia, extends from pages 126-141. A fascinating piece on "An Integrated Optimization Model of Product Mix, Assortment Packing, and Distribution in A Fashion Footwear Company" by experts from Universitas Sebelas Maret, Indonesia, takes up pages 142-152. Adding to the consumer-focused research, "Eye Tracking-based Analysis of Customer Interest on The Effectiveness of Eco-friendly Product Advertising Content" by researchers from Institut Teknologi Bandung, Indonesia, is detailed between pages 153-164.

The issue also includes a groundbreaking study on "Synergizing IFTOPSIS and DEA for Enhanced Efficiency Analysis in Inpatient Units" by a team from Universitas Brawijaya, Indonesia, spanning pages 165-178. "Innovative Multi-Criteria Decision-Making Approach for Supplier Evaluation: Combining TLF, Fuzzy BWM, and VIKOR" by researchers from Universitas Andalas, Indonesia, and Edith Cowan University, Australia, is an extensive study presented from pages 179-196. The exploration of quality control is furthered with "Enhancing Quality Control of Packaging Product: A Six Sigma and Data Mining Approach" by contributors from Trisakti University, Indonesia, and Yuan Ze University, Taiwan, covered on pages 197-214. Lastly, the issue concludes with a detailed "Technical Evaluation and Financial Analysis of a Retrofitting Investment Project for Production Machinery in a Cement Plant" by industry and academic professionals from Universitas Andalas, Indonesia, and Philip Morris International, Indonesia, detailed on pages 215-229. Each paper contributes to the expansive field of industrial system optimization, offering fresh insights and innovative methodologies.