JAYA SUMANTRI, R.; ANGGARA, M. The Effect of Circuit Training on Increasing Physical Fitness of Class VIII Students of SMPN 1 Metro. International Conference on Science, Education, and Technology, [S. l.], v. 8, n. 1, p. 1106–1110, 2022. Disponível em: https://proceeding.unnes.ac.id/ISET/article/view/1901. Acesso em: 16 may. 2024.