P. H. Marchetti, “Effects of Slingshot with Relative Intensity on Repetitions to Failure, Myoelectric Activity, and Perception of Effort During the Bench Press Exercise in Recreationally Trained Men”, Int’l Journal of Strength & Conditioning, vol. 4, no. 1, Jul. 2024, doi: 10.47206/ijsc.v4i1.348.