Source: https://www.researchgate.net/profile/Guillaume-Giansante/publication/308170445_Analyse_des_processus_d'innovation_participative_pour_la_creation_ou_l'amelioration_d'un_service_dans_le_non_marchand/links/57dc04f208ae4e6f18469bb0/Analyse-des-processus-dinnovation-participative-pour-la-creation-ou-lamelioration-dun-service-dans-le-non-marchand.pdf