Sukowati, Anton, Waskito Aji Suryo Putro, and Saiful Anwar. “Students’ Learning Motivation on Learning Outcomes In High School Volleyball Sport Subjects”. JURNAL MUARA OLAHRAGA 7, no. 1 (January 2, 2025): 156–167. Accessed August 7, 2025. https://www.ejournal.ummuba.ac.id/index.php/pjkr/article/view/2518.