Ibrahim, Charisma Azizah, Mudjihartono, Asep Sumpena, and Agus Gumilar. 2023. “Uncovering the Dynamic Relationship Between Intrinsic Motivation and Basic Softball Skills: An Exploratory Analysis”. Journal Sport Area 8 (3):436-46. https://doi.org/10.25299/sportarea.2023.vol8(3).13935.