wiwid, Dea Anasthasya, dan I Gede Fery Surya Tapa. “The Influence of Instagram Promotion, Word of Mouth, and Service Quality on Purchase Decision”. Jurnal Relevansi : Ekonomi, Manajemen dan Bisnis 9, no. 1 (November 26, 2025): 104–114. Diakses Mei 17, 2026. https://jurnal.stiekrakatau.ac.id/index.php/relevansi/article/view/275.