MULYADI, D.; ATHOILLAH, M. A. PRODUCT INNOVATION OF SHARIA FINANCIAL INSTITUTION: THEORY REVIEW. Journal of Economicate Studies, [S. l.], v. 1, n. 1, p. 1–8, 2017. DOI: 10.32506/joes.v1i1.3. Disponível em: https://journal.islamicateinstitute.co.id/index.php/joes/article/view/3. Acesso em: 26 dec. 2025.