000 00291nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _bNAN
100 _aNanda, V.K
245 0 _aTypology of Distance Teaching System
250 _a1st
260 _bAnmol
_c2005
300 _a308
942 _cBK
999 _c741
_d741