Effectiveness of Laughter Therapy on Level of Stress and Assertiveness among Elderly at Old Age Homes in Selected Areas. International Journal of Nursing Care, [S. l.], v. 9, n. 1, p. 21–25, 2021. DOI: 10.37506/ijonc.v9i1.13997. Disponível em: https://www.medicopublication.com/index.php/ijonc/article/view/13997. Acesso em: 19 may. 2026.