@book{21155,
	author = {Ortega, Pedro and Mínguez, Ramón},
	title = {Conflicto en las aulas},
	publisher = {Ariel},
	year = {2003},
	series = {Ariel educación},
	address = {Barcelona},
	edition = {1ª ed.},
	note = {Solicitar el material complementario en Mediateca no. 750964, 750965, 751023}
}