Eimuhi, Karl, et al. “Effect of a 10-Week Calisthenic-Circuit Training (CCT) on Cardio-Pulmonary Parameters of Student Athletes”. American Journal of Physical Education and Health Science, vol. 3, no. 2, Dec. 2025, pp. 72-75, https://doi.org/10.54536/ajpehs.v3i2.5910.