Mahardhika, Steffie, Kristin Marwinda, and Inti Englishtina. “Mengoptimalkan Kemampuan Public Speaking Siswa SMA Melalui Pelatihan Teknik Presentasi Yang Efektif”. INDONESIAN JOURNAL OF EMPOWERMENT, SERVICE, AND TRAINING 1, no. 1 (February 15, 2025): 10–15. Accessed April 29, 2026. http://ijest.id/index.php/ijest/article/view/1.