@book{12550,
	author = {Gage, Nathaniel Less, and National Society for the Study of Education.},
	title = {The Psychology of teaching methods},
	publisher = {NSSE : distributed by the University of Chicago Press},
	year = {1976.},
	series = {Yearbook of the National Society for the Study of Education ; 75th, pt. 1},
	address = {Chicago},
	note = {Prepared by the NSSE Committee on the Psychology of Teaching Methods.}
}