Sugiarto, T., A. Darmawan, Z. Novitasari, N. M. Nadlifah, and P. N. Mazzidah. “Creating a Circuit Training Model to Improve the Agility of Seven-Year-Olds”. Journal of Science and Education (JSE), vol. 3, no. 2, Dec. 2022, pp. 176-83, doi:10.56003/jse.v3i2.170.