Poudel, Ram Chandra, Dev Raj Joshi, Nawa Raj Dhakal, and Amrit Bahadur Karki. “Anaerobic Digestion of Sewage Sludge Mixture for the Reduction of Indicator and Pathogenic Microorganisms”. Scientific World 8, no. 8 (October 15, 2010): 47–50. Accessed November 22, 2024. https://nepjol.info/index.php/SW/article/view/3848.