Rodrigues, Filipe, Diogo Monteiro, Diogo Teixeira, and Luís Cid. “Fitness Instructors Role on Exercise Adherence in Portugal: The Importance of Need-Supportive Behaviors and Motivational Climates”. Motricidade 16, no. 4 (December 31, 2020): 420–431. Accessed October 31, 2026. https://revistas.rcaap.pt/motricidade/article/view/21120.