01284nam a2200325 a 4500 1156 1156 1864007 OSt 20190903151744.0 830809s1981 enka b 101 0 eng 82115209 0893971162 (Nichols) £15.50 DLC DLC DLC LB1028.5 .A73 vol. 15 LC6206 371.35 PER E 19 Distance learning and evaluation / edited for the Association for Educational and Training Technology by Fred Percival and Henry Ellington ; general editor, A.J. Trott. London : Kogan Page ; New York : Nichols, 1981. 334 p. : ill. ; 24 cm. Aspects of educational technology, 0141-5956 ; v. 15 Proceedings of the Association's fifteenth annual conference, Aberdeen, 31 March to 3 April, 1981. Includes bibliographies and indexes. University extension Congresses. Television in higher education Congresses. Educational technology Congresses. Percival, Fred. Ellington, Henry. Association for Educational and Training Technology. 7 cbc orignew 3 ncip 19 y-gencatlg ddc STS 0 0 ddc 0 0 16/4 AIISH AIISH 2019-09-03 0 371.35 PER E 7032 2019-09-03 00:00:00 2019-09-03 STS