angin, Sustriani Perangin-, Remus Silalahi, and Maludin Panjaitan. “Pengaruh Viral Marketing, Brand Equity, Dan Positive Emotional Experience Terhadap Pembelian Ulang Produk Scarlett Pada Mahasiswa Prodi Manajemen Angkatan 2024 Universitas Methodist Indonesia Medan”. RIGGS: Journal of Artificial Intelligence and Digital Business 5, no. 1 (March 27, 2026): 9656–9665. Accessed April 19, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/7531.