Arellano Hernández, A., & 		Arriaga Jordán, C.
(2001).
 Why Improved Maize (Zea mays) Varieties are Utopias in the High lands of Central Mexico.
<em>Convergencia Social Science Journal, </em>(25).
Retrieved from <a href="https://convergencia.uaemex.mx/article/view/1763" target="_new">https://convergencia.uaemex.mx/article/view/1763</a>