000 00314nam a2200121Ia 4500
008 211105s9999 xx 000 0 und d
020 _aVYASA03710
100 _aKumar Prasanth J
245 0 _aEffectiveness Of Distance Education System
250 _a\N
260 _bDiscovery Publishning House
_c\N
300 _a139
999 _c10214
_d10214