Mufarida, Nely, AND 		Setiawan, Orisanto.
" Socialization of Tofu Liquid Waste Management (Whey Tofu) Becomes Biogas as Alternative Energy Reserves in the Framework of Creating an Environmentally Friendly Industry" <em>Kontribusia : Research Dissemination for Community Development</em> [Online], Volume 3 Number 2 (18 August 2020)