Communication assertivité
- course by IFBD
- Wavre
5 courses: Communication skills in Walloon Brabant
La négociation
- course by IFBD
- Wavre
Negociator - masterclass de négociation complexe
- course by IFBD
- Wavre
La psychologie de la persuasion
- course by IFBD
- Wavre
Parlons comportement
- course by IFBD
- Wavre