@book{7921,
	author = {Tapia P., Nelson.},
	title = {Agroecología y agricultura campesina sostenible en los Andes bolivianos :},
	publisher = {AGRUCO :},
	year = {2006.},
	series = {Serie La vida en las comunidades ;},
	address = {La Paz :},
	edition = {2a ed.}
}