Source: https://www.researchgate.net/profile/Eric-Brangier/publication/301674610_Enrichir_la_creativite_des_ingenieurs_avec_l'analyse_de_l'activite_et_les_personas_le_cas_d'un_projet_d'ergonomie_prospective_Increase_the_creativity_of_engineers_with_activity_analysis_and_personas_a/links/5720d93d08aefa6488a04e0d/Enrichir-la-creativite-des-ingenieurs-avec-lanalyse-de-lactivite-et-les-personas-le-cas-dun-projet-dergonomie-prospective-Increase-the-creativity-of-engineers-with-activity-analysis-and-personas-a.pdf