Research methods in the social sciences
300.72 N122R,2
Nachmias, Chava
Research methods in the social sciences
-- New York : St. Martin's , 1981
314571 xvi, 358p.:ill.,tab.
Nachmias, Chava
Research methods in the social sciences
-- New York : St. Martin's , 1981
314571 xvi, 358p.:ill.,tab.