Hongmei He, Qiqi Song. Enlightening Minds through Research, Nurturing Hearts through Practice ——A Study on the Improvement Paths and Practical Strategies of County Primary School Principals’ Study Tour Leadership ——A Case Study on the Construction of a Three-Tier Study Tour System under the "Seven-Character Education" Culture of Bin County No.7 Primary School. erstp [Internet]. 2026 May 31 [cited 2026 Jun. 9];2(2):132-6. Available from: http://ojs.iajournals.cn/index.php/erstp/article/view/372