فهرست مقالات Permissible delay in payment دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - A production-inventory model with permissible delay incorporating learning effect in random planning horizon using genetic algorithm Mohuya B. Kar Shankar Bera Debasis Das Samarjit Kar دسترسی آزاد مقاله صفحه چکیده متن کامل 2 - An EOQ model for non-instantaneous deteriorating items with two levels of storage under trade credit policy R. Udayakumar K. V. Geetha دسترسی آزاد مقاله صفحه چکیده متن کامل 3 - Inventory model with composed shortage and permissible delay in payment linked to order quantity H Saiedy M Bamani Moghadam