Sholikha TF, Purwanto N. 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. ijler [Internet]. 2023 Aug. 10 [cited 2025 Dec. 6];18(3). Available from: https://ijler.umsida.ac.id/index.php/ijler/article/view/954