Tomasoa, Yellia. “Influence Of Learning Methods And Learning Motivation On The Learning Outcomes Of Service In Volleyball”. JUARA : Jurnal Olahraga 9, no. 1 (April 5, 2024): 646-655. Accessed July 3, 2024. https://jurnal.upmk.ac.id/index.php/juara/article/view/3783.