TY - BOOK ID - 1958249 TI - Improving evaluations AU - Datta, Lois-ellin AU - Perloff, Robert O. PY - 1979 VL - 12 SN - 0803912404 0803912412 9780803912403 9780803912410 PB - Beverly Hills ; London : Sage Publications, DB - UniCat KW - Didactic evaluation KW - Evaluation research (Social action programs) KW - Congresses KW - -#SBIB:303H32 KW - Waarneming en participerende waarneming, gecontroleerde observatie, groepsdiscussie (vragenlijsten, interviews, experimenten) KW - Congresses. KW - Social planning. KW - Evaluation research (Social action programs) - Congresses UR - https://www.unicat.be/uniCat?func=search&query=sysid:1958249 AB - ER -