000 00295nam a2200109Ia 4500
008 220421s1997 xx 000 0 und d
041 _aeng
082 _a372.21
_bSIN/PER
100 _aSingh Bhooder
_9571014
245 _aPerschool Education.
260 _adelhi
_b Aph Publishing Corporation
_c1997
999 _c397154
_d397154