Tambunan, G. K., Setyawati, H., Rahayu, S., Priyono, B. and Manullang, J. G. (2025) “Evaluating the Effects of Circuit Training and Motivation on Gender-Specific Waist Reduction in Overweight Populations”, Physical Education Theory and Methodology, 25(2), pp. 348–356. doi: 10.17309/tmfv.2025.2.16.