PÉREZ RAMÍREZ, Carlos; 						ZIZUMBO VILLARREAL, Lilia; 						GONZÁLEZ VERA, Miguel.
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<strong>El Periplo Sustentable</strong>, [S.l.], n. 16, p. 25-56, jan. 2009.
ISSN 1870-9036.
Available at: &lt;<a href="https://rperiplo.uaemex.mx/article/view/5038" target="_new">https://rperiplo.uaemex.mx/article/view/5038</a>&gt;. Date accessed: 14 nov. 2026.