TY - BOOK ID - 17714945 TI - Survey research methods PY - 1984 SN - 0803923481 PB - Beverly Hills Sage DB - UniCat KW - Social surveys. KW - Methoden en technieken KW - algemene methodologie. KW - Algemene methodologie. UR - https://www.unicat.be/uniCat?func=search&query=sysid:17714945 AB - ER -