List of Articles Operation and maintenance Open Access Article Abstract Page Full-Text 1 - Investigating Water Supply System Electro-Mechanical Equipments Problems: A Case Study of Ethiopia Dessie Tarekegn Bantelay 10.22094/joie.2018.568034.1563 Open Access Article Abstract Page Full-Text 2 - Irrigation Management Transfer Approach and Its Impact on Managerial Performance Indicators in Aghili Irrigation Network حمید Yeilagh Choghakhor آیتاله Karami