Handayani, S. G., A. Komaini, C. Callixte, H. S. Lesmana, and P. B. D. Jr. “The Effect of the Teaching Game Approach in the Gymnastics Learning Process to Improve Roll Forward”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, Vol. 9, no. 1, Apr. 2023, pp. 125-34, doi:10.29407/js_unpgri.v9i1.19922.