Kusumasari KE, Sanica IG. STRATEGI MEMBANGUN BRAND ADVOCACY DI ERA MARKETING 4.0. JIE [Internet]. 2022 Jan. 24 [cited 2025 Jul. 1];6(1):277-83. Available from: https://www.jurnal.stie-aas.ac.id/index.php/jie/article/view/3934