List of Articles Deterioration rate Open Access Article Abstract Page Full-Text 1 - An optimal policy for deteriorating items with time-proportional deterioration rate and constant and time-dependent linear demand rate Trailokyanath Singh Pandit Jagatananda Mishra Hadibandhu Pattanayak Open Access Article Abstract Page Full-Text 2 - Optimal pricing and ordering policies for perishable products under advance-cash-credit payment scheme Yu‑Chung Tsao Rizka Pricilia Fitriana Restu Putri Chong Zhang Vu‑Thuy Linh