$1!2J!R{!<s!;a (B: s $1!?d!1s!9J!13!Y4![m!Te!_P (B/s - $1!\l!0R!U<s ($1!DG!D$!+:s $1!=*!X$!<Q!P0!9%!:`!3K!JH!Na(B,s, 2011)
Keywords: Working class -- China.Agricultural laborers -- China.Urban poor -- China