TY - BOOK ID - 127069389 TI - Qualitative evaluation methods for reference services: an introductory manual PY - 1989 SN - 9780918006592 0918006597 PB - Washington (D.C.): OMS, DB - UniCat KW - Reference services (Libraries) UR - https://www.unicat.be/uniCat?func=search&query=sysid:127069389 AB - ER -