SHRIVASTAVA, Atul Kumar; DATTA, R K. Comparative Performance of Some Bullock Drawn Puddlers. Journal of Agricultural Engineering, India, v. 42, n. 4, 2005. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/14262. Acesso em: 26 oct. 2025.