Liu, Xuhao, and Jiali Wang. “A Study on the Competence of Middle School Mathematics Teachers in Hebei Province under the Background of Craftsmanship Spirit”. Nurture 18, no. 2 (March 6, 2024): 456–471. Accessed August 5, 2025. http://www.nurture.org.pk/index.php/NURTURE/article/view/646.