Chen, Shaohua Di Bao : a guaranteed minimum income in urban China? / Shaohua Chen, Martin Ravallion & Youjuan Wang - Washington, D.C. : The World Bank (WB) , 2006 - 45p. : ill. ; 26 cm. - Policy Research Working Paper No. 3805 . Subjects--Topical Terms: Low incomeCash transfersPoverty Gov. Doc. Class. No.: UN WB PRWP-3805