“PENGARUH HARGA, PRODUK DAN PROMOSI TERHADAP LOYALITAS KONSUMEN BIG JAY FAMILY KARAOKE” (2015) JURNAL ADMINISTRASI PUBLIK, 2(029). Available at: https://ejournal.unsrat.ac.id/v3/index.php/JAP/article/view/7735 (Accessed: 2 August 2026).