SANTILLÁN FERNÁNDEZ, Alberto et al.
 Competitiveness of grain corn production in the state of Campeche, Mexico.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 29, n. 2, june 2022.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/15081" target="_new">https://cienciaergosum.uaemex.mx/article/view/15081</a>&gt;. Date accessed: 18 aug. 2026.
doi: <a href="https://doi.org/10.30878/ces.v29n2a10">https://doi.org/10.30878/ces.v29n2a10</a>.