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Fritsch, Julian; Nigg, Carina; Niessner, Claudia; Schmidt, Steffen; Woll, Alexander; Jekauc, Darko (2023). Testing the Weiss-Harter-Model in a prospective study design: the importance of perceived social support for youth physical activity (In Press). German journal of exercise and sport research Springer 10.1007/s12662-023-00883-w
