“Yes, we can!”: Perceptions of collective efficacy sources in volleyball

Katrien Fransen, Norbert Vanbeselaere, Vasileios Exadaktylos, Gert Vande Broek, Bert De Cuyper, Daniel Berckmans, Tanja Ceux, Maarten De Backer, Filip Boen
  • Journal of Sports Sciences, April 2012, Taylor & Francis
  • DOI: 10.1080/02640414.2011.653579

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