Guangde Sun

• She hui bao zhang gai lun =
• Jin Nan Bei chao Sui Tang su fo dao zheng lun zhong zhi zheng zhi ke ti
• Mozi zheng zhi si xiang zhi yan jiu
• She hui bao xian yu zhi gong fu li
• Wan Qing chuan tong yu xi hua di zheng lun
• Xian Qin liang Han yin yang wu xing
• Xian Qin Liang Han yin yang wu xing shuo di zheng zhi si xiang
• 社会保障概论