Source: https://www.researchgate.net/profile/Peter_Stockinger/publication/313422874_Realiser_un_projet_en_communication_evenementielle_Le_plan_de_communication_evenementielle/links/5899f18a4585158bf6f8a54a/Realiser-un-projet-en-communication-evenementielle-Le-plan-de-communication-evenementielle.pdf