Sholikha, Tasya Fahillatus, and Nuri Purwanto. “Enhancing Customer Loyalty in Mushroom Seed Market: Role of Product Quality and After-Sales Service: Meningkatkan Loyalitas Pelanggan Di Pasar Bibit Jamur: Peran Kualitas Produk Dan Layanan Purna Jual”. Indonesian Journal of Law and Economics Review 18, no. 3 (August 10, 2023). Accessed December 6, 2025. https://ijler.umsida.ac.id/index.php/ijler/article/view/954.