Juflyn Alim, Juharmin Suruambo, Muh. Dimas Saputro, and Imelda Artinayu, “Pelatihan Public Speaking Berbahasa Indonesia Bagi Remaja Karang Taruna Kelurahan Kolese: Pengabdian”, JERKIN, vol. 4, no. 4, pp. 27204–27209, Jun. 2026.