Babbie, Earl R.
The practice of social research / by Earl R. Babbie. - 6th ed. - Belmont, CA : Wadsworth, 1992 - 493 p. ; 25 cm.
0534155766 (hb)
300.72 / B112
The practice of social research / by Earl R. Babbie. - 6th ed. - Belmont, CA : Wadsworth, 1992 - 493 p. ; 25 cm.
0534155766 (hb)
300.72 / B112