@book{13534,
	author = {Robertis, Cristina de},
	title = {Metodología de la intervención en trabajo social /},
	publisher = {El Ateneo,},
	year = {1992},
	address = {Barcelona:},
	edition = {2a ed.},
	note = {1a ed. Buenos Aires 1988; 2a ed. Barcelona 1992}
}