Xi bu nong cun shao shu min zu lao dong li zhuan yi wen ti yan jiu : ji yu min zu di qu nong cun wei guan shu ju = Study on ethnic minority's migrants in west rural China : based on the micro data from rural ethnic Areas
She hui fu li zhuan xing xia de fu li duo yuan jian gou : xi bu nong cun liu shou er tong de shi zheng yan jiu = Construct welfare mix system under the transition of social welfare : empirical investigation of left-behind children in western rural area of China