000 00292nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a160 REG;S
100 _aRege, P S
245 0 _aScientific Method With Exercises
260 _aAllahabad
_bKitab Mahal
942 _cWD
999 _c18992
_d18992