et al., Beta Rapita Silalahi. “The Relationship Between the Ability to Make a Concept Map With the Study Achievement of PGSD Umn Al-Washliyah Medan Students”. International Journal of Advanced Science and Technology 29, no. 2 (January 27, 2020): 3405 - 3414. Accessed April 20, 2026. https://sersc.org/journals/index.php/IJAST/article/view/4886.