Muhammad Sohail Memon; Siyal, A. A.; Changying, J.; Tagar, A. A.; Ara, S.; Soomro, S. A.; Khadimullah; Ullah, F.; Memon, N. Effect of Irrigation Methods and Plastic Mulch on Yield and Crop Water Productivity of Okra. J. Basic Appl. Sci. 2021, 13, 616-621.