Simbolon SOS. OPTIMIZING EDUCATION STUDENTS™ PUBLIC SPEAKING SKILLS AS AN EFFORT TO IMPROVE TEACHER COMPETENCE. Jurnal Pelita Pendidikan [Internet]. 27 September 2024 [dikutip 6 Juli 2025];12(3). Tersedia pada: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/63691