Wijaya, T., and S. Saparso. “Analisis Persepsi Konsumen Terhadap Produk Privite Label Di PT LION SUPER INDO Jakarta”. Ilmiah Manajemen Bisnis, vol. 9, no. 2, Feb. 2014, https://ejournal.ukrida.ac.id/index.php/IMB/article/view/555.