Babbie, Earl R.
The practice of social research / Earl Babbie. - 4th ed. - Belmont, California : Wadwsorth Pub., 1986. - xxii, 577 p.
053405658X
91035038
Social sciences--Research.
Social sciences--Methodology.
The practice of social research / Earl Babbie. - 4th ed. - Belmont, California : Wadwsorth Pub., 1986. - xxii, 577 p.
053405658X
91035038
Social sciences--Research.
Social sciences--Methodology.