"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
2012 Journal of Sports Sciences  
doi:10.1080/02640414.2011.653579 pmid:22364359 fatcat:tzbrf3vx4vckpjqcbpm6tlgj3y