SIVANAPPAN, R. K. An Introduction to Agricultural Engineering. The Indian Journal of Nutrition and Dietetics, [S. l.], v. 14, n. 1, p. 21–22, 1977. Disponível em: https://www.informaticsjournals.com/index.php/ijnd/article/view/11968. Acesso em: 1 may. 2024.