“Pengaruh Promosi Online dan Electronic Word of Mouth di Aplikasi Tiktok Terhadap Keputusan Pembelian Pangan Lokal Olahan Ketan Susu” (2026) PRODUCTIVITY: Journal of Integrated Business, Management, and Accounting Research, 3(1), pp. 01–22. doi:10.54373/product.v3i1.181.