Zuhri, R. S. ., I. . Wilujeng, and Haryanto. “Multiple Representation Approach in Elementary School Science Learning: A Systematic Literature Review”. International Journal of Learning, Teaching and Educational Research, vol. 22, no. 3, Mar. 2023, pp. 51-73, http://ijlter.net/index.php/ijlter/article/view/1545.