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German Journal of Exercise and Sport Research > 2014 > 44 > 3 > 171-181
Journal of Sport and Health Science > 2013 > 2 > 3 > 138-145
Teaching and Teacher Education > 2007 > 23 > 5 > 602-611
Social Psychology of Education > 2006 > 9 > 3 > 321-339
Journal of Clinical Epidemiology > 1996 > 49 > 2 > 125-134