Yang, Y. and Park, J.-H. (2025) “Evaluating the Effectiveness of Social Media Advertising by Influencers and Celebrities: Analysis of consumer response and impact on purchasing decisions”, Journal of Marketing Management Research (JMMR), 1(2). Available at: https://journal.uny.ac.id/publications/jmmr/article/view/1415 (Accessed: 3 February 2026).