Nagahama, Hideo de Jesus, Jorge Wilson Cortez, Wisy Alves Pimenta, Antonio Pereira Patrocinio Filho, and Elder Barboza de Souza. “Soil Resistance to Penetration in Tillage Systems and Tractor Speed”. Comunicata Scientiae 7, no. 1 (May 10, 2016): 56–65. Accessed April 18, 2024. https://comunicatascientiae.com.br/comunicata/article/view/439.