000 00000nam a2200000 a 4500
005 20251202164320.0
100 _aGraff J.De V
245 _aTheoretical Welfare economics
260 _aDelhi
_bVikas
_c1979
300 _axii,178p.
_b22cm.
_c22cm
630 _aWelfare economics
964 _b
_c
_d
_e
_f
_g_
997 _a9117 W
999 _c7277
_d7277