Title: Tong ji xue
Description: Ben shu nei rong han gai le tong ji xue de li shi, Zhi hui he ji ben ying yong fang fa, Shi jian kua yue le gu ba bi lun, Gu ai ji, Gu zhong guo, Xi la, Luo ma yi ji 19,20 shi ji de xian dai tong ji xue.