TY - BOOK ID - 140869280 TI - Methodology in social research AU - Blalock, Hubert M. AU - Blalock, Ann B. PY - 1968 PB - New York, Toronto, London McGraw-Hill Co. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140869280 AB - ER -