By Williams Natalie   Whipp Peter R.   Jackson Ben   Dimmock James A.   in Journal of Applied Sport Psychology

ISSN:1041-3200|25|4|412-430

Routledge Ltd‎(2013)‎

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By Mäkelä Kasper   Hirvensalo Mirja   Laakso Lauri   Whipp Peter R.   in Physical Education and Sport Pedagogy

ISSN:1740-8989|19|4|418-435

Routledge Ltd‎(2014)‎

Access to resources Favorite 9.687472