Robert Vincentius Naibaho, Nana Dyki Dirbawanto, Onan Marakali Siregar. Pengaruh Social Media Marketing, Brand Image, dan Brand Ambassador Terhadap Ekspektasi Konsumen Produk Erigo di Kota Binjai: Penelitian. JERKIN [Internet]. 2025 Oct. 1 [cited 2026 Jul. 6];4(1):6494-503. Available from: https://jerkin.org/index.php/jerkin/article/view/2682