Silwal, R., S. K. Baral, and B. B. K. Chhetri. “Modeling Taper and Volume of Sal (Shorea Robusta Gaertn. F.) Trees in the Western Terai Region of Nepal”. Banko Janakari, vol. 27, no. 3, July 2018, pp. 76-83, doi:10.3126/banko.v27i3.20544.