Dr. M. Srinivas Reddy, Dr. T. PRABHAKAR REDDY. “A STUDY OF EFFECT OF PLYOMETRIC TRAINING, CIRCUIT TRAINING AND COMBIEND TRAINING ON SPEED AND FLEXIBILITY OF SECONDARY SCHOOL”. Acta Scientiae, vol. 8, no. 1, Dec. 2025, pp. 124-32, https://periodicosulbrabra.org/index.php/acta/article/view/224.