@book{88559,
	author = {Castillo Calipa, Martín Gelacio.},
	title = {Los efectos positivos de la política económica orientada al sector agropecuario :},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100082.pdf}
}