UMAMAH, F.; MUFARRIHAH, N. PENGARUH TERAPI TERTAWA TERHADAP TINGKAT KECEMASAN PADA LANJUT USIA DI UPTD GRIYA WERDHA SURABAYA. Journal of Health Sciences, [S. l.], v. 11, n. 1, 2018. DOI: 10.33086/jhs.v11i1.116. Disponível em: https://journal2.unusa.ac.id/index.php/JHS/article/view/116. Acesso em: 24 nov. 2024.