Ismael, A. K., S. N. A. Haleem, and S. S. Majed. “A Comparative Study in Some Functional Responses and Blood Oxygen Saturation Among Futsal and Handball Players”. American Journal of Pediatric Medicine and Health Sciences (2993-2149), vol. 1, no. 10, Dec. 2023, pp. 867-74, http://grnjournal.us/index.php/AJPMHS/article/view/2417.