Piedra Constantino, R. d. l. (1997). Evaluation of sustainable production systems in hillsides, La Fraylesca, Chiapas, México.
Citación estilo ChicagoPiedra Constantino, R. de la. Evaluation of Sustainable Production Systems in Hillsides, La Fraylesca, Chiapas, México. 1997.
MLA citiranjePiedra Constantino, R. de la. Evaluation of Sustainable Production Systems in Hillsides, La Fraylesca, Chiapas, México. 1997.
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