@book{3757,
	author = {Maddala, G.S. and Lahiri, Kajal},
	title = {Introduction to econometrics},
	publisher = {John Wiley & Sons},
	year = {2009},
	address = {Fusionopolis :},
	edition = {4a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L126780.jpg}
}