OPIA SARI, Nabilla; RAZZAQ, Abdur; UTAMI FITRI, Hartika. Efektivitas Teknik Progrressive Muscle Relation Training (PMRT) dalam Mengurangi Disappointment Level pada Lansia di Panti Sosial Lanjut Usia Harapan Kita Kota Palembang. ULIL ALBAB : Jurnal Ilmiah Multidisiplin, [S. l.], v. 2, n. 6, p. 2594–2603, 2023. DOI: 10.56799/jim.v2i6.1674. Disponível em: https://www.ulilalbabinstitute.id/index.php/JIM/article/view/1674. Acesso em: 17 apr. 2026.