@book{126300,
	author = {Dueñas, Juan Carlos and Acosta, Ronal},
	title = {Easy Sun /},
	publisher = {Corporación Unificada Nacional de Educación Superior - CUN},
	year = {2017},
	address = {Bogotá},
	edition = {                   },
	url = {https://drive.google.com/file/d/1XcyJNo6FpqF97If4rst0IAaQLqMDPmI8/view?usp=sharing }
}