Indah Tjahjawulan, and Dita Rachmasari. “Instagram As a Medium for Activating the Ruangguru Brand to Upsurge User’s Loyalty and Engagement”. Pascasarjana ISBI Bandung Conference Series, vol. 1, no. 1, Nov. 2025, https://jurnal.isbi.ac.id/index.php/prosidingpasca/article/view/4571.