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Six-grade physical education: An acculturation of bullying ..:

O'Connor, Jamie A ; Graber, Kim C
Research quarterly for exercise and sport.  85 (2014)  3 - p. 398-408 , 2014
Link: https://doi.org/10.1080/02701367.2014.930403
Exemplar:  Zentrale:E03 z spo 201 j/784; Zentrale: Angebunden an z spo 201 j/784