Mariani Sinurat Y, Nabila T. THE EFFECT OF FACEBOOK SOCIAL MEDIA PROMOTION, PRODUCT QUALITY AND PRICE ON THE PURCHASE DECISION OF ZACK KREZZ CHIPS (CASE STUDY ON ZACK KREZZ CHIPS CUSTOMERS SEI RAMPAH DISTRICT. MORFAI [Internet]. 2022 Jul. 31 [cited 2024 Nov. 15];2(2):483-90. Available from: http://radjapublika.com/index.php/MORFAI/article/view/354