“PENINGKATAN KEPERCAYAAN DIRI SISWA KELAS X DPIB 3 SMK NEGERI 4 SEMARANG MELALUI BIMBINGAN KLASIKAL METODE PROBLEM-BASED LEARNING” 1, no. 2 (November 30, 2023): 909–915. Accessed August 11, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/5199.