List of Articles Flexibility Open Access Article Abstract Page Full-Text 1 - Development of a cell formation heuristic by considering realistic data using principal component analysis and Taguchi’s method Shailendra Kumar Rajiv Kumar Sharma Open Access Article Abstract Page Full-Text 2 - Application of queuing theory in inventory systems with substitution flexibility S. M. Seyedhoseini Reza Rashid Iman Kamalpour Erfan Zangeneh Open Access Article Abstract Page Full-Text 3 - Tackling Demand Fluctuation through Novel Flexible Assembly Line Balancing Algorithm Ari Setiawan Christopher Yehuda Eka Kurnia Asih Pakpahan 10.82374/jiei.2025.1214740