000 00409nam a2200157Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a161
_bR333S
100 _aRege, P S
245 0 _aScientific method
_bwith exercises
_cP S Rege
250 _a2nd Rev.
260 _aAllahabad
_bKitab Mahal
_c1953
300 _avi, 140p.
650 _aScience-Methodologhy
942 _cBKS
999 _c12051
_d12051