Singh, Ramesh Man, Hee Joon Kim, Mitsushi Kamide, and Toran Sharma. “Biobriquettes-an Alternative Fuel for Sustainable Development”. Nepal Journal of Science and Technology 10 (April 16, 2010): 121–127. Accessed December 6, 2025. https://www.nepjol.info/index.php/NJST/article/view/2944.