SILOOY, Jossheas El Chrys. PENINGKATAN KEPERCAYAAN DIRI SISWA KELAS X DPIB 3 SMK NEGERI 4 SEMARANG MELALUI BIMBINGAN KLASIKAL METODE PROBLEM-BASED LEARNING. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 2, p. 909–915, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/5199. Acesso em: 6 dec. 2025.