RIJAL, K. An Approach for Evaluation of Bio-gas Programme Development in Nepal. Economic Journal of Nepal, [S. l.], v. 10, n. 3, p. 39–51, 1987. DOI: 10.3126/ejon.v10i3.69861. Disponível em: https://nepjol.info/index.php/EJON/article/view/69861. Acesso em: 22 nov. 2024.