Widiani S, Pardi MHH. Pengaruh Belief Dan Self Confidence Terhadap Kemampuan Pemecahan Masalah Matematika. JeE [Internet]. 2025Apr.30 [cited 2025May14];4(1):1-17. Available from: https://journal.staidk.ac.id/index.php/alifbata/article/view/654