The Relationship Between Happiness and Smart Phone Addiction in Regular Physical Exercises. GYMNASIUM, [S. l.], v. 22, n. 2, p. 61–70, 2021. DOI: 10.29081/gsjesh.2021.22.2.05. Disponível em: https://gymnasium.ub.ro/index.php/journal/article/view/646. Acesso em: 10 apr. 2025.