KULSHRESHTHA, S. Integrated Economic and Environmental Assessment of Nitrogenous Fertilizer Application in Canadian Prairies. Journal of Agriculture and Environment, [S. l.], v. 11, p. 70–82, 2010. DOI: 10.3126/aej.v11i0.3654. Disponível em: https://www.nepjol.info/index.php/AEJ/article/view/3654. Acesso em: 30 apr. 2024.