Pratiwi, Marni, and Ofianto Ofianto. “Effectiveness of Using Timeline Media Based on Focusky Applications to Improve Chronological Thinking Skills”. International Journal of Educational Dynamics 4, no. 2 (June 9, 2022): 35-38. Accessed May 15, 2024. http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/325.