000 00823cam a2200265 a 4500
008 981211s1999 cau b 001 0 eng d
020 _a0761914412
020 _a0761914420
020 _a9780761914419
020 _a9780761914426
040 _aSDU
050 0 0 _aLC5805
_bW721 D 1999
100 1 _aWilliams, Marcia L.
_9207385
245 1 0 _aDistance learning :
_bthe essential guide /
_cMarcia L. Williams, Kenneth Paprock, Barbara Covington.
260 _aThousand Oaks, Calif. :
_bSage,
_c1999.
300 _a166 p.
505 _aHKBU library
518 _aYT2025 M08
650 0 _aDistance education
_zUnited States.
_974186
650 0 _aTelecommunication in education.
_981901
700 1 _aPaprock, Kenneth.
_9207386
700 1 _aCovington, Barbara.
_9207387
900 _a= C.1 SDU
942 _cGBE
_2lcc
999 _c108116
_d108116