Melati, P., and A. Kusumawardhani. “Phenomenological Study on Diamond Jewelry Purchase Decisions As a Tertiary Need (A Study on the FebriMela Brand)”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 8, no. 3, Aug. 2025, pp. 9397-06, doi:10.31538/iijse.v8i3.7307.