ANA INDRIANA; LULUK MAKFIROH. STRATEGI MARKETING TOKO E.R. COLLECTION PAGOTAN GEGER MADIUN DALAM MENGHADAPI PERSAINGAN BISNIS MENURUT PERSPEKTIF EKONOMI SYARIAH. Opinia de Journal, [S. l.], v. 1, n. 2, p. 40–68, 2021. DOI: 10.35888/opinia.v1i2.10. Disponível em: https://ejournal.stainumadiun.ac.id/index.php/opinia/article/view/10. Acesso em: 1 sep. 2025.