Arto Gråstén, Anthony Watt. (2017) A Motivational Model of Physical Education and Links to Enjoyment, Knowledge, Performance, Total Physical Activity and Body Mass Index. Journal of Sports Science and Medicine(16), 318 - 327.
Arto Gråstén, Anthony Watt. (2017) A Motivational Model of Physical Education and Links to Enjoyment, Knowledge, Performance, Total Physical Activity and Body Mass Index. Journal of Sports Science and Medicine(16), 318 - 327.