Firmansyah, D., Karumiadri , M. ., & Maksum, M. N. R. . (2023). The Concept of Spiritual-Based Character Education At Nusantara Beriman Islamic Boarding School Poleang Kendari, Southeast Sulawesi . At-Ta’dib, 18(1), 81–89. https://doi.org/10.21111/attadib.v18i1.9588