This is a summary of the Ouerdane’s PhD thesis supervised by Alexis Tsouki`as and Nicolas Maudet and defended on 01 December 2009 at the Universit´e Paris-Dauphine, Paris. The thesis is written in English and is available from the author upon request. This work has the aim to investigate the different ways to use argumentation theory in a decision context. More precisely within multi-criteria evaluation models. The principal aim is to meet the needs in terms of explanations and revision during a decision process.