Ruamba, Marthinus Yohanes, Rian Efendi, Elsi Sirampun, and Natalia M. I. Weya. “Cognitive Barriers in the Transition from Graphical to Symbolic Representation of Integral Concepts: A Systematic Literature Review”. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram 14, no. 3 (June 8, 2026): 1240–1257. Accessed June 13, 2026. https://ojspanel.undikma.ac.id/index.php/prismasains/article/view/20660.