@book{7913,
	author = {Pérez Bravo, Alfredo and Sierra, Iván, },
	title = {Cooperación técnica internacional :},
	publisher = {Miguel Angel Porrúa, SRE, Instituto Mexicano de Cooperación Internacional, },
	year = {1998},
	address = {México :},
	edition = {1 ed.},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/8621.pdf}
}