Qutlimuratov , I. . “ANALYSIS OF THE ACTIONS OF FOOTBALL REFEREES DURING MATCHES AND WAYS TO INCREASE THEIR SPECIFIC ENDURANCE”. International Bulletin of Engineering and Technology, vol. 2, no. 12, Dec. 2022, pp. 92-98, https://internationalbulletins.com/intjour/index.php/ibet/article/view/204.