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. 2025;1(1):9-18. Accessed August 25, 2026. https://journal.matappa.ac.id/index.php/JPPBK/article/view/4464