Bryman, Alan. Quantity and quality in social research / Alan Bryman. - London ; Boston : Routledge, 1988. - viii, 198 p : ill ; 22 cm. - Contemporary social research series ;18 . Includes indexes. Bibliography: p. [175]-194. ISBN: 9780415078986 LCCN: 87034024 Subjects--Topical Terms: Social sciences--Research. Dewey Class. No.: 300/.72