Dian Sari, Andi Maryam. PERSEPSI HARGA, KUALITAS PRODUK DAN KETERSEDIAAN KERUPUK AMPLANG TERHADAP LOYALITAS KONSUMEN DI KABUPATEN SAMBAS. PATANI [Internet]. 2020Feb.29 [cited 2025May10];4(1):21-5. Available from: https://www.ojs.poltesa.ac.id/index.php/patani/article/view/8