000 00311nam a2200133Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
100 _aParmaji, S.
245 0 _aDistance education
_cS. Parmaji
260 _aNew Delhi
_bSterling
_c1984
300 _avii,160p.
942 _2ddc
_cBK
999 _c16988
_d16988