Is Stress Levels And Coping Mechanism becomes factor that affected Challanging of Mother that have Children with Mental Retardation. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS), [S. l.], v. 1, n. 1, p. 39–45, 2017. DOI: 10.29082/IJNMS/2017/Vol1/Iss1/32. Disponível em: https://ijnms.net/index.php/ijnms/article/view/32. Acesso em: 31 jul. 2025.