Syahriridani, Muh., Herawati Susilo, and Ibrohim Ibrohim. “Developing Problem Based Learning through Lesson Study”. Journal of Learning Improvement and Lesson Study 1, no. 2 (April 21, 2022): 15–22. Accessed January 15, 2025. https://jlils.ppj.unp.ac.id/index.php/jlils/article/view/20.