SYAHRUL AZIZ; SYARIEFFUL IKHWAN; SLAMET BAMBANG RIONO; NISA ISLAMI. The Influence of Product Differentiation Strategy, Brand Image and Price on Purchasing Decisions of Rajaswa Coffee Customers in Brebes County. IJESSR: International Journal of Economics and Social Sciences Research, "Era Literasi Sains, Brebes", v. 1, n. 1, p. 1–13, 2023. Disponível em: https://jurnal.eraliterasi.com/index.php/ijessr/article/view/42. Acesso em: 9 jun. 2026.