SIGDEL, T. S. Development of Biogas Energy and its Impact on Users in Rural Nepal. Socio-Economic Development Panorama, [S. l.], v. 1, n. 2, p. 47–62, 2008. Disponível em: https://www.nepjol.info/index.php/sedp/article/view/1047. Acesso em: 5 may. 2024.