D. H. Zuhdi, A. Rakhman, and T. A. Putra, “Increasing the Effectiveness of Floor Gymnastics Materials (Front Rolling) Using Oblique Field Media in Grade VIII Students of SMP 8 Banjarbaru”, Empiric. Journal, vol. 7, no. 2, pp. 2345–2354, Jun. 2026, doi: 10.36312/ej.v7i2.5225.