SUKMAWATI, Fitri; SUMIN, Sumin; ISTIYONO, Edi; WIDHIASTUTI, Widhiastuti; MARDIYATI, Isyatul. Muslim Spiritual Happiness Scale: The Instrument Development and Validation. Islamic Guidance and Counseling Journal, [S. l.], v. 5, n. 2, p. 135–151, 2022. DOI: 10.25217/igcj.v5i2.2754. Disponível em: https://igcjournal.com/index.php/home/article/view/289. Acesso em: 16 oct. 2026.