Rami, D. R. and Achiaa, A. (2025) “Mathematical Problem-Solving Ability of Junior High School Students in Terms of Self-Directed Learning”, Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika, 15(2), pp. 102–115. Available at: https://www.journal.unpas.ac.id/index.php/pjme/article/view/34279 (Accessed: 19 December 2025).