Kurniawan, P.R., Kristiyanto, A. and Riyadi, S. 2022. 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. 5, 12 (Dec. 2022), 13-21. DOI:https://doi.org/10.47814/ijssrr.v5i12.793.