Risfandi Setyawan, Hari Setijono and Nining Widyah Kusnanik 2021. The Effect of Floor and Swiss Ball Exercises Using Circuit Training Methods towards Balance, Strength, Flexibility and Muscle Endurance . Britain International of Humanities and Social Sciences (BIoHS) Journal. 3, 2 (Jul. 2021), 384-395. DOI:https://doi.org/10.33258/biohs.v3i2.469.