TY - JFULL ID - 137909829 TI - Educational technology. PY - 1966 PB - Saddle Brook, N.J. : Englewood Cliffs, New Jersey : Educational News Service, Educational Technology Publications DB - UniCat KW - Audio-visual materials KW - Teaching KW - Programmed Instructions as Topic. KW - Aids and devices UR - https://www.unicat.be/uniCat?func=search&query=sysid:137909829 AB - ER -