@book{6986,
	author = {Cook, Albert M},
	title = {Assistive technologies : principles and practice.},
	publisher = {Mosby,},
	year = {2020.},
	address = {St. Louis:},
	edition = {5th ed.},
	url = {https://books.google.com.pk/books?id=Gc28DwAAQBAJ&printsec=frontcover&dq=Assistive+technologies&hl=en&sa=X&redir_esc=y#v=onepage&q=Assistive%20technologies&f=false}
}