DHAR , O. N., and SHOBHA NANDARGI. “PMP ESTIMATION BY STATISTICAL METHOD-A WORD OF CAUTION”. MAUSAM 45, no. 2 (April 1, 1994): 182–183. Accessed May 30, 2024. https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/2100.