M. . Hafeez, Z. A. . Chatha, A. A. . Khan, A. B. . Gulshan, A. . Basit, and F. . Tahira, “Comparative Analysis of Reference Evapotranspiration by Hargreaves and Blaney-Criddle Equations in Semi-Arid Climatic Conditions”, cras, vol. 7, no. 2, pp. 52–57, Oct. 2020.