Valentina Isyana, Besty, Baidowi, Dwi Novitasari, and Nyoman Sridana. 2024. “Pengaruh Self Confidence Terhadap Hasil Belajar Matematika Siswa Kelas VIII SMP”. Mandalika Mathematics and Educations Journal 6 (1):370-83. https://doi.org/10.29303/jm.v6i1.7125.