List of Articles زهآب Open Access Article Abstract Page Full-Text 1 - Optimization of Drainage Design Parameters with the Aim of Reducing Environmental Damage in Steady-State C onditions Hamed Mazandarani Zadeh Rahime Zadesh Pargo Peyman Daneshkar Arasteh 10.22034/jest.2019.10727 Open Access Article Abstract Page Full-Text 2 - Evaluating the Drainage Process of Agricultural Lands in Golestan Province based on Agricultural Drainage Reuse Mahdi Mardanifar Mahmoud Ansar Marzieh Parvar دنیائی Donyaii Seyed Erfan Hosseini Open Access Article Abstract Page Full-Text 3 - Study on improving living conditions of rural watershed for residents from the tourism and Eco-tourism projects Mona Tariverdi Ghassem Habibi Bibalani Jalal Mahmoudi