Sukmawati F, Sumin S, Istiyono E, Widhiastuti W, Mardiyati I. Muslim Spiritual Happiness Scale: The Instrument Development and Validation. Islam G. & C. Jour [Internet]. 2022 Oct. 30 [cited 2025 Aug. 23];5(2):135-51. Available from: https://journal.iaimnumetrolampung.ac.id/index.php/igcj/article/view/2754