M. . Hafeez, Z. A. . Chatha, A. A. . Khan, A. . Bakhsh, A. . Basit, and F. . Tahira, “Estimating Reference Evapotranspiration by Hargreaves and Blaney-Criddle Methods in Humid Subtropical Conditions”, cras, vol. 7, no. 1, pp. 15–22, Apr. 2020.