Existential Anxiety, Financial Stress, and Academic Burnout among Adolescents; Moderating role of Mental Toughness. Journal Of Psychology, Health And Social Challenges, [S. l.], v. 3, n. 02, p. 16–23, 2025. DOI: 10.63075/8cbejg69. Disponível em: https://jphasc.com/index.php/Journal/article/view/78. Acesso em: 25 oct. 2025.