Investigation of Optimum Sustainable Designs for Water Distribution Systems from Multiple Economic, Operational, and Health Perspectives مؤلف البحث Mohamed R Torkomany, Hassan Shokry Hassan, Amin Shoukry, Mohamed Hussein, Chihiro Yoshimura, Mohamed Elkholy مجلة البحث Sustainability مؤلف البحث Mohamed Mamdouh Yusuf Hussein