Title: Ren kou yu ren li zi yuan gai lun
Description: Ben shu jie shao le ren kou yu ren li zi yuan ke xue dao lun,Ren kou de ji ben gai shu,Ren kou fa zhan yu ren kou jie gou,Ren kou de zi ran bian dong deng nei rong.
Subjects: Ren kou xue, Jiao cai, Gao deng xue xiao, Lao dong li zi yuan, Zi yuan guan li