Ijaz, Sarmad, Fakiha Wadiat, and Samreen Abid. “EFFECT OF CIRCUIT TRAINING ON CARDIO-RESPIRATORY ENDURANCE AMONG ADOLESCENTS”. Sports Sciences and Physical Education Review 2, no. 1 (December 30, 2023): LXXXII - XCIII. Accessed September 28, 2024. https://saturnpublications.com/index.php/ssper/article/view/24.