[1]
J. A. Reyes-Aguero and . J. R. Aguirre Rivera, “Agrobiodiversity of cactus pear (Opuntia, Cactaceae) in the Meridional Highlands Plateau of Mexico”, JNRD, vol. 1, pp. 01–09, Aug. 2011, doi: 10.5027/jnrd.v1i0.01.