Roberts, Ross ;
Cooke, Andrew ;
Woodman, Tim...
Roberts , R , Cooke , A , Woodman , T , Hupfeld , H , Barwood , C & Manley , H 2019 , ' When the Going Gets Tough, Who Gets Going? An Examination of the Relationship Between Narcissism, Effort, and Performance ' , Sport, Exercise, and Performance Psychology , vol. 8 , no. 1 , pp. 93-105 . https://doi.org/10.1037/spy0000124.
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2019