Sari Sagala, Maduma, and Rifqah Harahap. 2022. “THE EFFECT OF PRODUCT QUALITY AND SERVICE QUALITY ON CONSUMER SATISFACTION AT PT. DELAMIBRANDS KHARISMA BUSANA”. Jurnal Ekonomi 11 (03):1411-19. https://www.ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/861.