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Yang, X, Kankaanpää, A, Biddle, Stuart ORCID: 0000-0002-7663-6895, Hirvensalo, M, Helajärvi, H, Kallio, J, Hutri-Kähönen, N, Telama, R, Viikari, JSA, Raitakari, OT and Tammelin, T (2017) Tracking of Television Viewing Time during Adulthood: The Young Finns Study. Medicine and Science in Sports and Exercise, 49 (1). 71 - 77. ISSN 0195-9131

Liukkonen, J, Telama, R and Biddle, Stuart ORCID: 0000-0002-7663-6895 (1998) Enjoyment in youth sports: A goal perspectives approach. European Yearbook of Sport Psychology, 2. 55 - 75. ISSN 1433-1462