@book{135788,
	author = {Barth, James L.},
	title = {Elementary and junior high/middle school social studies curriculum, activities, and materials},
	publisher = {University Press of America},
	year = {c1983.},
	address = {Lanham, MD},
	edition = {2nd ed.},
	note = {Rev. ed. of: Elementary and middle school social studies curriculum program, activities and materials. 1979.}
}