Sartika, Nyimas Yuhanis, and Sugiharsono Sugiharsono. “Self-Efficacy and Intensity of the Use of Social Media on Consumption Behavior: Case Study in the Economics Faculty of Yogyakarta State University”. Jurnal Economia 16, no. 1 (April 8, 2020): 71–85. Accessed May 24, 2025. https://journal.uny.ac.id/index.php/economia/article/view/27067.