Nessa, A, SK Pimpi, and K Akand. “Status of Biogas Production in Tangail District, Bangladesh”. Journal of Environmental Science and Natural Resources 7, no. 1 (February 11, 2015): 81–85. Accessed November 3, 2024. https://www.banglajol.info/index.php/JESNR/article/view/22149.