Rafenda S, Simamora B. The power of influencers to influence followers’ purchase willingness: The case of @titantyra. J. Ek. Perush. [Internet]. 2022 Sep. 22 [cited 2025 Oct. 25];29(2):15-28. Available from: https://jurnal.kwikkiangie.ac.id/index.php/JEP/article/view/886