RINDAYANA, Okta; ARIF, Subhan; MAKMUN, Fariza. Pengembangan Public Speaking dalam Meningkatkan Kepercayaan Diri melalui Kegiatan Pramuka di SMP Negeri 3 Bunga Mayang Lampung Utara. SAKOLA: Journal of Sains Cooperative Learning and Law, [S. l.], v. 3, n. 1, p. 112–125, 2026. DOI: 10.57235/sakola.v3i1.8307. Disponível em: https://rayyanjurnal.com/index.php/sakola/article/view/8307. Acesso em: 14 jun. 2026.