Hudayana, Herzi. “Analysis of Futsal Player and Official Understanding Level Towards Futsal Laws of the Game 2014 2015”. Kesehatan Olahraga 7, no. 1 (January 15, 2019). Accessed November 20, 2025. https://ejournal.unesa.ac.id/index.php/jurnal-kesehatan-olahraga/article/view/25363.