DEBNATH, G. C. . ., and R. P. . SAMUI. “Oscillation of Potential Evapotranspiration in India and Its Significance on Seasonal Potential Water Requirement of Crops”. MAUSAM, vol. 49, no. 3, July 1998, pp. 387-94, doi:10.54302/mausam.v49i3.3645.