Muqopi, Sani Sugih Al, and Ekasatya Aldila Afriansyah. “Self-Confidence in Mathematics: Voices of Indonesian Junior High Students”. Plusminus: Jurnal Pendidikan Matematika 5, no. 2 (July 30, 2025): 349–364. Accessed August 11, 2025. https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/3066.