Renanda, C. A., M. Yunus, and S. Rachmawati. “Improving Speaking Proficiency Via Role-Play: An Investigation From Indonesian Secondary Schools”. EDUCASIA: Jurnal Pendidikan, Pengajaran, Dan Pembelajaran, Vol. 10, no. 2, Aug. 2025, pp. 191-05, doi:10.21462/educasia.v10i2.348.