Langer, Penina. 2022. “MENINGKATKAN HASIL BELAJAR SENAM LANTAI GULING DEPAN MELALUI MEDIA AUDIO VISUAL PADA SISWA KELAS X TKJ SMK JELJAKAKA DOBO”. JARGARIA SPRINT: Journal Science of Sport and Health 2 (2), 1-7. https://doi.org/10.30598/jargariasprintvol2issue2page1-7.