Within-week differences in external training load demands in elite volleyball players - Akyildiz, Z.; de Oliveira Castro, H.; Çene, E.; Laporta, L.; Parim, C.; Altundag, E.; Akarçesme, C.; Guidetti, G.; Miale, G.; Silva, A. F.; Nobari, H.; Clemente, F. M. (BMC Sports Science, Medicine and Rehabilitation, 2022)