SIVANAPPAN, R. K. Principles of Farm Machinery. The Indian Journal of Nutrition and Dietetics, [S. l.], v. 17, n. 8, p. 311–311, 1980. Disponível em: https://informaticsjournals.co.in/index.php/ijnd/article/view/12546. Acesso em: 8 nov. 2024.