Lazaridis Α., Digelidis Ν., & Krommydas Χ. (2019). Construct Validity of the “Motives for Physical Activity Measure-Revised” (MPAM-R) Questionnaire in a Sample of Greek Secondary School Pupils. Inquiries in Physical Education and Sport, 17(1), 1–14. https://doi.org/10.26253/heal.uth.ojs.ispe.2019.1520