Kurniawan, P. R., A. Kristiyanto, und S. Riyadi. The Assessment Instrument Development in Physical Education Learning on Rhythm Gymnastics Materials for Upper Class Elementary School Students in Covid-19 Pandemic Era. International Journal of Social Science Research and Review, Bd. 5, Nr. 12, Dec. 2022, S. 13-21, doi:10.47814/ijssrr.v5i12.793.