Mangrio, Abdul Ghafoor, Zakir Hussain Dahri, M. z. Ikram, and Bashir Ahmed. 2007. “Hydraulic Characterization of Locally Manufactured Drip Emitters”. Biological Sciences - PJSIR 50 (3):218-22. https://v2.pjsir.org/index.php/biological-sciences/article/view/969.