Lentillon-Kaestner, VanessaVanessaLentillon-KaestnerAlicea, SheilaSheilaAliceaBraithwaite, RockRockBraithwaiteAliss, EGilles, Jean-Luc2018-03-272018-03-272017http://hdl.handle.net/20.500.12162/162enA comparative analysis between Switzerland and US Physical Education Physical Fitness, Motivation, & Self-concept in Middle School StudentsType de référence::Parties de livres::Chapitre d'un livre collectif