@book{189503,
	author = {Torres Medina, Carmen. and Pérez de Villar Ruiz, María José},
	title = {Dinámica de grupos en formación de formadores},
	publisher = {Herder},
	year = {c2002.},
	series = {Biblioteca de psicologia},
	address = {Barcelona},
	edition = {2a.ed.}
}