Nugroho, S.C. and Khadavi, M.J. 2026. The Effect of Spiritual Intelligence and Intellectual Intelligence on the Moderate Attitudes of High School Students in South Sumatra. International Journal of Islamic Thought and Humanities. 5, 2 (Sep. 2026), 346–366. DOI:https://doi.org/10.54298/ijith.v5i2.1126.