“Development of Self-Confidence Assessment Instruments for 7th State Junior High School Students in Banjarmasin”. JED (Jurnal Etika Demokrasi) 7, no. 3 (July 31, 2022): 453–460. Accessed August 2, 2025. https://journal.unismuh.ac.id/index.php/jed/article/view/8169.