@book{263710,
	author = {Berthold, Jeanne Saylor. and Curran, Mary Alice. and National Institutes of Health (U.S.).},
	title = {Educational technology and teaching-learning process :},
	year = {1970]},
	address = {[Washington, D.C.,},
	edition = {Revised 1969.},
	note = {Distribution made by issuing office.}
}