SAPITRI, Elfira Yunita; MUTTAKIN, Khaerul; SUBIYANTORO. Building Customer Loyalty Through Product Differentiation And Competitor Analysis: Evidence From A Natural Cosmetics MSME. IQTISHADUNA: Jurnal Ekonomi dan Keuangan Islam, [S. l.], v. 16, n. 2, p. 135–147, 2026. DOI: 10.20414/iqtishaduna.v16i2.14980. Disponível em: https://journal.uinmataram.ac.id/index.php/iqtishaduna/article/view/14980. Acesso em: 23 apr. 2026.