000 00566nam a2200217Ia 4500
003 OSt
005 20220928135007.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a399
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aX0gY, L9
100 _aNg Yew-Kwang
_9489199
245 0 _aWelfare economics
_b Introduction and department of basic concepts
260 _c1979
942 _hX0gY, L9
_cTEXL
_2CC
999 _c804423
_d804423