Rukmana, Divi Indar, Feny Rita Fiantika, and Susi Hermin Rusminati. 2023. “Geometry Concepts in the Reog Cemandi Sidoarjo Dance As a Learning Resource for Elementary School Mathematics”. Formosa Journal of Sustainable Research 2 (11):2605-18. https://doi.org/10.55927/fjsr.v2i11.6799.