2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176933We briefly review several models of heavy quarkonium production in hadronic collisions, and discuss the status of QCD factorization for these production models.8 pages, 12 figures, Talk presented at the 2nd International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Asilomar Conference Grounds, Pacific Grove, California, 9-16 June, 2006Nuclear Theorytext