Purnama AA, AS AR, Ely R, Dia HA. 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 [Internet]. 2025 Dec. 15 [cited 2026 Mar. 1];1(1):9-18. Available from: https://journal.matappa.ac.id/index.php/JPPBK/article/view/4464