Adaptation of the Behavioural Regulation in Active Commuting to School (BR-ACS) questionnaire in Portuguese youth - Marques, Adilson; Santos, Thiago; Demetriou, Yolanda; Schönbach, Dorothea M. I.; Peralta, Miguel; Lagestad, Pål; Martins, João; Kleszczewska, Dorota; Dzielska, Anna; Gouveia, Elvio (2022)