000 00335nam a2200145Ia 4500
020 _a0000000000000
082 _b323
_a500
100 _a"Warris Saaima"
245 0 _aSimlple Science
260 _bWarris Publishing
_aLahore
_c1990
300 _a114
944 _cTR
999 _c157905
_d157905