“THE EFFECT OF MARKETING MIX, PRODUCT INNOVATION AND SERVICE QUALITY ON CONSUMER SATISFACTION AT PERUMDAM TIRTA YAPONO, AMBON CITY”. JEMMA (Journal of Economic, Management and Accounting) 9, no. 1 (March 6, 2026): 13–19. Accessed April 20, 2026. http://ojs.unanda.ac.id/index.php/jemma/article/view/3525.