Sarkar, SK, and MK Uddin. “Multilayer Cattle Farming: A New Dimension towards Waste Management and Environmental Sustainability in Bangladesh”. Bangladesh Journal of Livestock Research 20, no. 1-2 (May 10, 2020): 101–111. Accessed October 1, 2025. https://www.banglajol.info/index.php/BJLR/article/view/47024.