@book{15927,
	author = {Retamoso Farfán, Ronal and Cariapaza Nayhua, María Elena and Unidad de Gestión Educativa local - Andahuaylas.},
	title = {Taytaku Warmakunawan /},
	publisher = {CIMAGRAF,},
	year = {2009.},
	address = {Apurímac :}
}