Phillips, Bernard S.
Social research: strategy and tactics by Bernard S. Phillips - 3rd ed. - New York Macmillan 1976 - 365p.
Social sciences --Research
I551 P541/76
Social research: strategy and tactics by Bernard S. Phillips - 3rd ed. - New York Macmillan 1976 - 365p.
Social sciences --Research
I551 P541/76
