Zahroni, Ardhian, et al. “Improving Self-Confidence and Speaking Skills in Elementary Students through Action-Based Learning”. Primary: Jurnal Pendidikan Guru Sekolah Dasar, vol. 15, no. 1, Feb. 2026, pp. 94-105, https://doi.org/10.33578/jpfkip.v15i1.94-105.