000 00319nam a2200133Ia 4500
008 221122s9999 xx 000 0 und d
082 _a551:37 V86P
100 _aVyas, Harishchandra
245 0 _aParyavaran shiksha
260 _bVidya Vihar
_aNew Delhi
_c1992
300 _a288 p.
650 _aParyavaran
942 _cBK
999 _c4334
_d4334