Arnika, Arnika, and Yenti Astarie Dewi. “Analisis Strategi BMC Models Dalam Mempertahankan Loyalitas Pelanggan Pada Toko Emas (Studi Kasus Toko Mas Suryani Nasution Kecamatan Rao, Kabupaten Pasaman”. Journal of Innovative and Creativity (Joecy) 6, no. 1 (February 12, 2026): 10865–10873. Accessed October 11, 2026. https://joecy.org/index.php/joecy/article/view/8396.