Dulal, Sushmita, and Ramesh Man Singh. “Fuel Briquettes from Sal (Shorea Robusta) Forest Litter As an Alternative Cooking Fuel”. Nepal Journal of Science and Technology 19, no. 2 (October 10, 2021): 68–74. Accessed August 16, 2024. https://nepjol.info/index.php/NJST/article/view/39433.