DAHAB, Mohamed Hassan; BALAL, Moayed Mohamed. Computer programming for prediction of soil bulk density effect on trencher design parameters. International Journal of Agricultural and Biological Engineering, [S. l.], v. 4, n. 4, p. 42–49, 2012. Disponível em: https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/544. Acesso em: 27 feb. 2026.