TY  - BOOK
AU  - Gerring,John
AU  - Christenson,Dino
TI  - Applied social science methodology: an introductory guide 
SN  - 9781107071476 (hardback : alk. paper)
U1  - 300 23
PY  - 2017///
CY  - Cambridge, United Kingdom, New York
PB  - Cambridge University Press
KW  - Social sciences
KW  - Methodology
N1  - مشتريات معرض القاهرة الدولي للكتاب 2020; Includes bibliographical references (pages 375-396) and indexes
ER  -