@book{20997,
	author = {LERNER, JOEL J. and CASHIN, JAMES A.},
	title = {SCHAUM'S OUTLINE OF THEARY AND PROBLEMS OF PRINCIPLS OF ACCOUNTING I, 4TH ED / },
	publisher = {MC GRAW - HILL ، },
	year = {1993},
	series = {SCHAUM'S OUTLINE SERIES},
	address = {[S.N] : }
}