Sagala, Magdalena, Zainal Abidin, and Maulana Rifai. “Valence of Opinion: Keputusan Pembelian Produk Skintific Pada Akun Instagram @skintificid”. Jurnal Ilmiah Wahana Pendidikan 9, no. 20 (October 9, 2023): 467-475. Accessed April 29, 2026. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/5230.