000 00298nam a22001217a 4500
020 _a9789392785047
082 _a304.6
_bRAI.P
100 _aRai,Sudhashu
245 _aPopulation composition and theories
260 _aNew Delhi:
_bBest Publishing;
_c2023.
300 _avi,203p.
942 _2ddc
_cBK
999 _c722365
_d722365