Relationships between rating-of-perceived-exertion and heart-rate-derived internal training load in professional soccer players: a comparison of on-field integrated training sessions - Campos-Vazquez, M. A.; Mendez-Villanueva, A.; Gonzalez-Jurado, J. A.; Leon-Prados, J. A.; Santalla, A.; Suarez-Arrones, L. (International Journal of Sports Physiology and Performance, 2015)
Keywords: training; load; load organization; training session; training control; heart rate; perception; soccer; sport games