Verbrugge, SofieSofieVerbruggePasqualini, SandrineSandrinePasqualiniWestphal, Fritz-JoachimFritz-JoachimWestphalJäger, MonikaMonikaJägerIselt, AndreasAndreasIseltKirstädter, AndreasAndreasKirstädterChahine, RayaneRayaneChahineColle, DidierDidierCollePickavet, MarioMarioPickavetDemeester, PietPietDemeester2021-10-162021-10-162005-02https://imec-publications.be/handle/20.500.12860/11496Modeling operational expenditures for telecom operatorsProceedings paper