Hoover, Kenneth R., 1940- The elements of social scientific thinking / Kenneth R. Hoover. - 4th ed. - New York : St. Martin's Press, c1988. - xii, 179 p. : ill. ; 21 cm. Includes index. ISBN: 0312003137 LCCN: 87060520 LC Class. No.: H61 .H682 1988 / .H682 1988 Dewey Class. No.: 300/.72