01175nam a2200289 a 45000010008000000030004000080050017000120080041000290100017000700200025000870200012001120400018001240500035001420820021001772450174001982600056003723000029004284400059004575000103005165040041006196500038006606500048006986500040007467000020007867000022008067100057008281864007OSt20190903151744.0830809s1981    enka     b    101 0 eng    a   82115209   a0893971162 (Nichols)  c£15.50  aDLCcDLCdDLC00aLB1028.5b.A73 vol. 15aLC620600a371.35 PER E21900aDistance learning and evaluation /cedited for the Association for Educational and Training Technology by Fred Percival and Henry Ellington ; general editor, A.J. Trott.  aLondon :bKogan Page ;aNew York :bNichols,c1981.  a334 p. :bill. ;c24 cm. 0aAspects of educational technology,x0141-5956 ;vv. 15  aProceedings of the Association's fifteenth annual conference, Aberdeen, 31 March to 3 April, 1981.  aIncludes bibliographies and indexes. 0aUniversity extensionxCongresses. 0aTelevision in higher educationxCongresses. 0aEducational technologyxCongresses.1 aPercival, Fred.1 aEllington, Henry.2 aAssociation for Educational and Training Technology.