Assessment of Solar Photovoltaic Water Pumping of WASA Tube Wells for Irrigation in Quetta Valley Aquifer oleh Muhammad Saydal Khan, Ali Tahir, Imtiaz Alam, Sohail Razzaq, Muhammad Usman, Wajahat Ullah Khan Tareen, Nauman Anwar Baig, Salman Atif, Mehwish Riaz