Fauziah, Vera, and Sukma Nugraha. “Comparison of Digital and Conventional Marketing Performance on Natural Viera Sutra Products”. Management and Entrepreneurship Research Review 1, no. 2 (July 5, 2020): 47-56. Accessed April 3, 2026. http://ejournals.fkwu.uniga.ac.id/index.php/MERR/article/view/110.