SHARMA, Banshi. Sustainable level of water pumping to protect environment and livestock sustenance. Journal of Agriculture and Environment, [S. l.], v. 8, p. 119–125, 2007. DOI: 10.3126/aej.v8i0.737. Disponível em: https://www.nepjol.info/index.php/AEJ/article/view/737. Acesso em: 5 dec. 2025.