List of Articles Shortage Open Access Article Abstract Page Full-Text 1 - An inventory model for deteriorating items with time-dependent demand and time-varying holding cost under partial backlogging Vinod Kumar Mishra Lal Sahab Singh Rakesh Kumar Open Access Article Abstract Page Full-Text 2 - Optimal lot sizing in screening processes with returnable defective items Behzad Maleki Vishkaei S. T. A. Niaki Milad Farhangi Mehdi Ebrahimnezhad Moghadam Rashti Open Access Article Abstract Page Full-Text 3 - Optimizing pricing and ordering strategies in a three-level supply chain under return policy Mahsa Noori-daryan Ata Allah Taleizadeh 20.1001.1.17355702.2020.16.1.6.9 Open Access Article Abstract Page Full-Text 4 - A credit policy approach in a two-warehouse inventory model for deteriorating items with price- and stock-dependent demand under partial backlogging Gobinda Chandra Panda Md. Al-Amin Khan Ali Akbar Shaikh 20.1001.1.17355702.2020.16.1.10.3