@book{132061,
	author = {Caribbean Educational Resource Center for the Hearing Impaired CERC},
	title = {Special education},
	publisher = {Caribbean Educational Resource Center for the Hearing Impaired (CERC); School of Education University of Puerto Rico and Gallaudet University Washington, D.C.},
	year = {1990},
	address = {Río Piedras, P.R.}
}