SOLOVIEVA, Yulia; 						QUINTANAR, Luis; 						SIDNEVA, Anastasia.
La Teaching of mathematics at preschool level in Mexico and Brazil, any changes?.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 31, dec. 2023.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/19005" target="_new">https://cienciaergosum.uaemex.mx/article/view/19005</a>&gt;. Date accessed: 18 aug. 2026.
doi: <a href="https://doi.org/10.30878/ces.v31n0a11">https://doi.org/10.30878/ces.v31n0a11</a>.