@book{19,
	author = {Haeussler, Ernest F. and Paul, Richard S.},
	title = {Matematicas para administración y economía},
	publisher = {Pearson Educación},
	year = {2003},
	address = {México :},
	edition = {10a. ed},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Matem?ticas para administraci?n y econom?a-l86941.jpg}
}