Yao wu hua xue yao lun/. 2. Di qiu hua xue dao lun/ Gao li da xue han guo yu /. 2. Gong ye hua xue gai lun/. Xia ce. Huan hua xi jian lu/. 2. Zhong xue hua xue xi ti ji/. 2. Gong ye hua xue gai lun/. Shang ce. You ji hua xue jiao xue gua tu/. 2. Zhi wu jia yuan/. 2. Hua xue yao lu/