000 00277nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aNigam, B K
245 0 _aManagement And Evaluation Of Distance Education
260 _aNew Delhi
_bkPD
_c2007
300 _a373p.
942 _cBK
999 _c14468
_d14468