Hecheng xiangjiao gongye/#/Hecheng xiangjiao gongye [[Ho Ch'Eng Hsiang Chiao Kung Yeh]] (Zhongguo shi you hua gong zong gong si Lanzhou hua xue gong ye gong si : Zhongguo shi you hua gong zong gong si he cheng xiang jiao ji shu kai fa zhong xin, He cheng xiang jiao ke ji qing bao zhong xin zhan, 1978)