List of Articles logged Open Access Article Abstract Page Full-Text 1 - Investigation of Structure and Regeneration Forest Trees in Logged and Non-logged (Case of study: Darabkola Forest of Sari) ali shojaie shami امین وثوقیان Open Access Article Abstract Page Full-Text 2 - Inventory model with composed shortage and permissible delay in payment linked to order quantity H Saiedy M Bamani Moghadam Open Access Article Abstract Page Full-Text 3 - 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