2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48715The paper is withdrawn by the author. This was an embryon of the book which has now been published with World Scientific under the title "Lectures on Quantum Chromodynamics". See http://www.wspc.com.sg/books/physics/4443.html, where the beginning of the book will soon be available in the pdf format.High Energy Physics - Phenomenologytext