000 00284nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, Madhulika
245 0 _aDistance Education Concepts And Principles
260 _aNew Delhi
_bKanishka
_c2009
300 _a348p.
942 _cBK
999 _c14658
_d14658