000 00290 a2200121 4500
080 _a5
_bG 977 S
245 1 _aScience and its methodology
_cby S.P. Gupta
260 _aDelhi
_bAjanta Publications
_c1978
650 _aScience
100 1 _aGupta, S.P.
_d
300 _a105 p.
901 _a146792
999 _c65590
_d65590