Dang dai zhong guo kong jun/ Dang dai zhong guo shi xue/ Dang dai zhong guo ke ji shi/ Dang dai zhong guo zheng zhi : Dang dai zhong guo ke ji shi / Dang dai zhong guo gong ren jie ji/ Gu dai zhong guo kao gu xue/ Tu jie dang dai zhong guo cong shu. Dang dai zhong guo jiao yu 50 wen/ Tu jie dang dai zhong guo cong shu