Idris, A. R., Ariadi, L. M., Yani, Z., Firmanto, A., & Alaini, N. N. (2026). Eco-Custom: Spirituality-Based Nature Conservation in the Usada Sasak Manuscript of Sasak Community, Lombok, Indonesia. Ulumuna, 30(1), 274-304. https://doi.org/10.20414/ujis.v30i1.1353