MELLADO IBARRA, César Iván; 						SÁNCHEZ TOVAR, Yesenia.
 Approach to informal entrepreneurship in Tamaulipas.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 31, nov. 2023.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/17109" target="_new">https://cienciaergosum.uaemex.mx/article/view/17109</a>&gt;. Date accessed: 18 aug. 2026.
doi: <a href="https://doi.org/10.30878/ces.v31n0a1">https://doi.org/10.30878/ces.v31n0a1</a>.