@book{18540,
	author = {Pulido Olaya, Angélica Juliana  and Castañeda, María José  and   },
	title = {CAMP NATURAL/ },
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2019.},
	address = {Ibagué (Colombia) :},
	edition = {                   }
}