Conway, Freda. Sampling : an introduction for social scientists / Freda Conwa y - London : Allen & Unwin, 1967. - 154 p. : tables, diagrs. ; 22 cm. - Minerva series of students handbooks ; no. 18 . Includes bibliographical references and index LCCN: 67-086513 Subjects--Topical Terms: Sampling (Statistics) Dewey Class. No.: 519.52