SÁNCHEZ TORRES, Yolanda; 						TERRONES CORDERO, Aníbal; 						GUZMÁN SORIA, Eugenio.
 Analysis of primary activities in the Mexican economy, 1970-2022.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 30, n. 1, july 2022.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/16972" target="_new">https://cienciaergosum.uaemex.mx/article/view/16972</a>&gt;. Date accessed: 18 aug. 2026.
doi: <a href="https://doi.org/10.30878/ces.v30n1a8">https://doi.org/10.30878/ces.v30n1a8</a>.