000 00287nam a2200109Ia 4500
008 160930s9999 xx 000 0 und d
100 _aTalesara,Hemlata
245 _aOpen and Distance Learning Global Challenges
260 _aDelhi
_bAuthors Press
_c2004
300 _avi,264p.
942 _cDB
999 _c9549
_d9549