OSMA, T. O.; ZAIED, M. B.; EL NAIM, A. M. Field Performance of a Modified Chisel Plow. International Journal of Natural Sciences Research, [S. l.], v. 2, n. 6, p. 85–96, 2014. Disponível em: https://archive.conscientiabeam.com/index.php/63/article/view/2320. Acesso em: 6 may. 2024.