NURYANTI, Lisna. PENGARUH RELAKSASI OTOT PROGRESIF TERHADAP INSOMNIA PADA LANSIA. Citra Delima Scientific journal of Citra Internasional Institute, [S. l.], v. 2, n. 1, p. 51–57, 2018. DOI: 10.33862/citradelima.v2i1.13. Disponível em: https://jurnalilmiah.ici.ac.id/index.php/JI/article/view/13. Acesso em: 22 aug. 2025.