Gul, Nazir, Babar, Muhammad Munir, Sarki, Asadullah, Shaikh, Irfan, AND Mangrio, Munir. " Assessing the Effect of Different Water Table Depths on Water Use, Yield and Water Productivity of the Okra Crop" Mehran University Research Journal of Engineering and Technology [Online], Volume 37 Number 1 (1 January 2018)