000 00291nam a2200121Ia 4500
005 20240726134904.0
008 240725s9999 xx 000 0 und d
041 _aeng
100 _aGupta, alok & others
245 _aResearch methodology
260 _aAgara
_b S.B.P.D.
_c2023
300 _a240
999 _c54722
_d54722