2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188121We give a brief overview of the problem of quark confinement in hadronic physics, and outline a few of the suggested explanations of the confining force.21 pages, 3 figures, commissioned review article for a special focus issue of J. Phys. G on Hadron Physics; v2 references updatedHigh Energy Physics - Phenomenologytext