Sukartiningsih, Sri, Sarmini Sarmini, and M. Jacky. “What Is Discovery Learning Can Grow Critical Thinking Skills?”. The Indonesian Journal of Social Studies 2, no. 2 (November 4, 2019): 87–94. Accessed May 7, 2024. https://journal.unesa.ac.id/index.php/jpips/article/view/5420.