Yovita Anastasya Aprilia, Minsih. Extracurricular Public Speaking Activities on the Development of Self-Confidence of Elementary School Students. JEE [Internet]. 2024 Jun. 30 [cited 2025 Apr. 30];7(2):2596-60. Available from: https://ejournal.unma.ac.id/index.php/jee/article/view/9063