@book{80676,
	author = {Gutiérrez García, Ismael. and Robinson Evilla, Jorge. and e-libro, Corp.},
	title = {Matemáticas básicas con trigonometría},
	publisher = {Editorial Universidad del Norte,},
	year = {2011.},
	series = {Pasta blanda},
	address = {Barranquilla :},
	edition = {2a. ed.},
	url = {https://elibro.net/ereader/politecnicointernacional/69851}
}