Aisyah Harahap, Siti Aisyah Harahap, and Yochi Elanda. “The Influence of Color and Packaging Design on Purchasing Decisions on Emina Cosmetic Products: Pengaruh Warna Dan Desain Kemasan Terhadap Keputusan Pembelian Pada Produk Emina Kosmetik”. UPMI Proceeding Series 2, no. 2 (February 4, 2025): 295–300. Accessed April 23, 2026. https://upmiproceeding.my.id/index.php/ups/article/view/252.