TY - BOOK T1 - The Encyclopaedia of educational media communications and technology / DA - 1988. CY - New York : AU - Unwin, Derick. AU - McAleese, Ray. ET - 2nd ed. CN - LB1042.5 CN - LB1042.5 PB - Greenwood Press, PP - New York : PY - 1988. ID - 132482 KW - Audio-visual education KW - Audio-visual materials KW - Educational technology SN - 0313239967 (lib. bdg. : alk. paper) TI - The Encyclopaedia of educational media communications and technology / ER -