Silalahi, Ayuphita Tiara, and Della Liudi. “DIGITAL PROMOTION USAGE IN CULTIVATING BRAND ENGAGEMENT AMONG MILLENNIALS USERS AT STARBUCKS INDONESIA”. Journal of Business Strategy and Execution 10, no. 1 (November 28, 2018): 78-96. Accessed April 19, 2024. https://journal.binus.ac.id/index.php/JBSE/article/view/5171.