-, Zamharira, and Bonifasius MH Nainggolan. “PRODUCT QUALITY, PRICE PERCEPTION AND SOCIAL MEDIA ON PURCHASE DECISIONS AT CAFE KHARISMA”. Journal of Management and Leadership 6, no. 1 (May 30, 2023): 57–72. Accessed June 16, 2025. https://jurnal.tau.ac.id/index.php/jml/article/view/416.