GUTIÉRREZ RODRÍGUEZ, Francisco et al.
 A Technological-Operational Evaluation of the Multi-plow Tractor J. D. Model 4235, During the Primary Preparation of a Vertisol Soil.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 11, n. 2, p. 171-176, mar. 2015.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/7554" target="_new">https://cienciaergosum.uaemex.mx/article/view/7554</a>&gt;. Date accessed: 18 aug. 2026.