Sidiq, Muhammad Hilman. “Loyalitas Pelanggan Pada CV. Tani Sadulur”. Karimah Tauhid 4, no. 10 (October 7, 2025): 7731–7737. Accessed June 8, 2026. http://103.127.96.46/index.php/karimahtauhid/article/view/21348.