000 00420nam a2200157Ia 4500
005 20260205105107.0
008 260111s9999||||xx |||||||||||||| ||und||
020 _a8171413374
082 _a374.4 Si64D
100 _aUK Singh
245 0 _aDistance education/by UK Singh and KN Sudarshan
260 _aNew Delhi
_bDiscovery Publishing House
_c1996
300 _a329p.
690 _adistance education
942 _cBK
999 _c260077
_d260077