TY - BOOK AU - Bryman Alan TI - Research methods and organization studies T2 - Contemporary social research series,20, ed by Martin Bulmer SN - 0044452136 U1 - Sigma:f, M9 PY - 1989/// CY - London PB - Unwin Hyman UK KW - RESEARCH METHODS KW - SOCIAL SCIENCES KW - RESEARCH METHODS ER -