Rabden R, Wangmo T, Dorji T, Choden T, Dorji G. Design, a Study of Laboratory-Scale Experimentation and Economic Analysis of Biogas Plant for Phuentsholing Area. zm. 2021;5(1):50-55. Accessed June 30, 2025. http://103.133.216.217/index.php/zm/article/view/53