Badriyah D, Sopiany HN. Kemampuan Pemecahan Masalah Matematis Siswa SMK Berdasarkan Tingkat Self Confidence. Didact. Math. [Internet]. 2023 Apr. 29 [cited 2026 Jun. 17];5(1):107-16. Available from: https://www.ejournal.unma.ac.id/index.php/dm/article/view/5008