Qastholany H, Alfanur F. The Influence of Celebrity Effect, Perceived Usefulness, Trust on Attitude Toward Influencers and Its Implications on Impulse Buying. ECBIS [Internet]. 2024 Nov. 18 [cited 2025 Dec. 28];3(1):1-14. Available from: https://ecbis.net/index.php/go/article/view/152