Susworo Dwi Marhaendro, A., S. Suharjana, and S. Sujarwo. “Validity and Reliability of Futsal Player Skill Measurement Tests”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, vol. 9, no. 1, Apr. 2023, pp. 74-91, doi:10.29407/js_unpgri.v9i1.19672.