TY - BOOK ID - 137490730 TI - Videocassettes in education and training : proceedings of a conference organised by the Association for programmed learning and educational technology in conjunction ... held at Enfield College, Middlesex Polytechnic, July 4th 1973 AU - Leedham, John AU - Romiszowski, A. J. PY - 1977 SN - 0850383706 PB - London : Kogan Page, DB - UniCat KW - Video tapes in education KW - Congresses KW - Congresses. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137490730 AB - ER -