Keyhanian, A., Ebrahim, K., Rajabi, H., & Marandi, S. M. "Compaison the effect of resistance exercise with active and passive rest on aerobic and anaerobic fitness in soccer players", Journal of research in sport medicine and technology, 13, 9, 2015, 47–62. doi: 10.18869/acadpub.jsmt.13.9.47