“Meningkatkan Kemampuan Self Control Melalui Bimbingan Klasikal dengan Teknik Problem Based Learning pada Siswa Kelas X-1 SMA N 11 Semarang”, psnppg, vol. 1, no. 2, pp. 1214–1218, Nov. 2023, Accessed: Aug. 12, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/5252