SHOKORY, S. M.; WAHAB, N. N. A.; ZANUBIYA, J.; ZAINOL, Z. Customer Purchase Patterns and Loyalty in MSME Catering Businesses Using the RFM Method. IAIC Transactions on Sustainable Digital Innovation (ITSDI), [S. l.], v. 7, n. 2, p. 188–197, 2026. DOI: 10.34306/itsdi.v7i2.724. Disponível em: https://aptikom-journal.id/itsdi/article/view/724. Acesso em: 24 may. 2026.