Buulolo, W., R. Asmeri, and T. Ratu Firdaus. “THE INFLUENCE OF PRICES, ADVERTISING AND BRAND IMAGE ON PURCHASE DECISION ON ANDROID SAMSUNG GALAXY SERIES SMARTPHONE IN PADANG CITY (CASE STUDY : SAMSUNG CENTER PADANG)”. INTERNATIONAL CONFERENCE ON GLOBAL EDUCATION, Apr. 2022, pp. 1000-13, https://ejurnal.unespadang.ac.id/index.php/ICGE/article/view/182.