Handayani, Sri Gusti, Sayuti Syahara, Tjung Hauw Sin, and Anton Komaini. 2022. “Development of Android-Based Gymnastics Learning Media to Improve the Ability to Roll Ahead Straddle Students in Gymnastic Learning”. Linguistics and Culture Review 6 (S3):275-90. https://doi.org/10.21744/lingcure.v6nS3.2144.