000 00285nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aTalesra, Hemlata
245 0 _aOpen And Distance Learning Global Challenges
260 _aDelhi
_bAuthorspress
_c2004
300 _a264p.
942 _cBK
999 _c13678
_d13678