TY - BOOK ID - 141231893 TI - Managing media services : theory and practice AU - Vlcek, Charles W. AU - Wiman, Raymond V. PY - 1989 SN - 0872877159 PB - Englewood, Colo. Libraries Unlimited DB - UniCat KW - Audio-visual library service KW - Audio-visual education KW - Audio-visual library service. KW - Instructional materials centers - Management. KW - Media programs (Education) - Management. KW - Audio-visual education. UR - https://www.unicat.be/uniCat?func=search&query=sysid:141231893 AB - ER -