MAITY, P; AGGARWAL, P; DEY, P. Model for calculation of penetration resistance from easily measurable soil physical properties. The Indian Journal of Agricultural Sciences, Delhi, India, v. 83, n. 3, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/28343. Acesso em: 26 oct. 2025.