Nurhidayati, Dewi, Adi Basuji Choirul, Mujib Farhan, and Mashudi, Agus Eko Sujianto. “Pengaruh Sosial Media Marketing Instagram Terhadap Brand Engagement Eiger Di Indonesia”. Economics and Digital Business Review 4, no. 2 (June 20, 2023): 235–245. Accessed July 28, 2025. https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/589.