@book{13662,
	author = {Alessi, Stephen M., and Trollip, Stanley R.,},
	title = {Multimedia for learning :},
	publisher = {Allyn and Bacon,},
	year = {c2001.},
	address = {Boston :},
	edition = {3rd ed.},
	note = {Rev. ed. of: Computer-based instruction. 2nd ed. c1991.}
}