Rocha Rangel, L., Tavares Silva, A., Alves Marini, M., Souza Maciel, V. and Pontes Morales, A. 2026. Acute Effects of Caffeine Supplementation During a 20-Minute Cycling Time Trial in Amateur Cyclists: A Pilot Randomized Crossover Study. Indonesian Journal of Sport, Health and Physical Education Science. 4, 3 (Oct. 2026), 103–112. DOI:https://doi.org/10.58723/inasport.v4i3.771.