RAMÍREZ DE ALBA, Horacio; 						PÉREZ CAMPOS, Ramiro; 						DÍAZ COUTIÑO, Heriberto.
 The Cement and the Concrete of the Mayas.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 6, n. 3, p. 275-284, oct. 2017.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/7262" target="_new">https://cienciaergosum.uaemex.mx/article/view/7262</a>&gt;. Date accessed: 19 aug. 2026.