AZFAR, M., B. . SISODIA, V. . . RAI, and M. . DEVI. “Pre-Harvest Forecast Models for Rapeseed & Mustard Yield Using Principal Component Analysis of Weather Variables”. MAUSAM, vol. 66, no. 4, Oct. 2015, pp. 761-6, doi:10.54302/mausam.v66i4.583.