Journal of Henan Institute of Education. Natural Science Edition. Henan Jiaoyu Xueyuan Xuebao Ziran Kexueban. Editorial Department of Henan Institute of Education, Zhengzhou. Chinese. [1 vol. (= 4 issues) a year]

Journal, ISSN 1007-0834

http://en.cnki.com.cn/Journal_en/A-A000-HLKB.htm