Boutique Markt & Trend Rapport
Essentials of motivation and behaviour change
Fitness Intermediairs Markt & Trend Rapport
Fitness markt & trend rapport | 2020-2024
Fitness markt & trend rapport 2014-2018
Fitness Markt & Trend Rapport 2018 - 2020
Groepsfitness in Nederland
Handboek bouw jouw leefstijlplan
Klantenbehoud in fitnessclubs
Management in de fitnessbranche
Member retention in fitnessclubs
Personal Training in Nederland
Personal Training in Nederland
Transformational Leadership