MEHRABI, Roshanak; JAHANIAN, Saeed. The Effectiveness of Positive Psychotherapy Techniques Training on Tolerance of Ambiguity and Quality of Life in Mothers of Children with Leukemia. Mental Health and Lifestyle Journal, [S. l.], p. 1–12, 2025. Disponível em: https://mhljournal.com/index.php/mhlj/article/view/102.. Acesso em: 16 sep. 2025.