Senanayake, S. P., P. Dabare, A. R. N. Silva, S. Pushpika, and R. Maddumage. “A Validation Study to Assess the Concurrent Validity of the Beep Test As a Proxy for Cardiopulmonary Endurance, Using VO2 Max As the Criterion Standard”. European Journal of Sport Sciences, vol. 3, no. 1, Apr. 2024, pp. 38-42, doi:10.24018/ejsport.2024.3.1.131.