“Pengaruh Penerapan Teknik Self Instruction dalam Meningkatkan Kepercayaan Diri Siswa di SMA Negeri 20 Pangkep: The Effect Of The Application Of Self Instruction Techniques In Increasing Students’ Confidence In SMA Negeri 20 Pangkep”, JPPBK, vol. 1, no. 1, pp. 9–18, Dec. 2025, Accessed: Aug. 25, 2026. [Online]. Available: https://journal.matappa.ac.id/index.php/JPPBK/article/view/4464