2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43870A summary is given of the work which was presented in the working group C "Hadronic Final States" at the DIS04 workshop (Strbske Pleso, Slovakia, April 14-18, 2004). Progress in experimental tests and the theoretical development of perturbative and non-perturbative QCD is reported.18 pages, 10 figures, Proceedings of the DIS04 workshop (Strbske Pleso, Slovakia, April 14-18, 2004)High Energy Physics - Phenomenologytext