HARTINI, Sri; CHUMAESON, Wahyuning. Peningkatan Rasa Percaya Diri Melaui Pelatihan Public Speaking pada Siswa SMK N I Selo Boyolali. SENYUM Boyolali, [S. l.], v. 2, n. 1, p. 33–39, 2021. DOI: 10.36596/sb.v2i1.572. Disponível em: https://ejournal.uby.ac.id/index.php/sb/article/view/572. Acesso em: 18 aug. 2026.