Febrianto, D., and S. Siregar. “The Influence of Influencers and Product Innovation on Purchasing Decisions for Virtual Products in Mobile Legend”. Jurnal Ilmiah Wahana Pendidikan, Vol. 11, no. 9.A, Sept. 2025, pp. 61-75, https://jurnal.peneliti.net/index.php/JIWP/article/view/10982.