Nithyakalyani, M. and Mariyarathinam, S. (2016) “Bio-Gas:- A Green Renewable Energy to Boost up the Income of Rural Farmers”, Shanlax International Journal of Economics, 4(4), pp. 40-44. Available at: https://www.shanlaxjournals.in/journals/index.php/economics/article/view/782 (Accessed: 29May2024).