AYI NAJMUL HIDAYAT; HASBULLAH LAU. PERAN PELATIHAN PUBLIC SPEAKING DALAM MENUMBUHKAN RASA PERCAYA DIRI SISWA DI DJ ARIE PUBLIC SPEAKING & BROADCASTING SCHOOL BANDUNG. JURNAL RISET RUMPUN ILMU PENDIDIKAN, [S. l.], v. 2, n. 1, p. 11–21, 2023. DOI: 10.55606/jurripen.v2i1.789. Disponível em: https://prin.or.id/index.php/JURRIPEN/article/view/789. Acesso em: 29 apr. 2024.