@book{682,
	author = {Bonvillian, John D. and Lee, Nicole Kissane},
	title = {Simplified Signs: A Manual Sign-Communication System for Special. Volume 2 :},
	publisher = {Open Book Publishers,},
	year = {2021.},
	address = {Cambridge :},
	note = {Ebook},
	url = {https://books.openedition.org/obp/14627}
}