Pengaruh Self-Efficacy Terhadap Kemampuan Pemecahan  Masalah Matematis Siswa Berdasarkan Gender. IEC-JEI [Internet]. 2026 Apr. 25 [cited 2026 Oct. 21];2(2):1-13. Available from: https://research.iecjournal.com/index.php/IEC-JEI/article/view/27