Suparto RA, Jamiat N. THE EFFECT OF SALES PROMOTION AND MOBILE MARKETING ON PURCHASE OF BAKSO MARGANA BRANCH MAP NUMBER 91 POST COVID-19. Jurnal Ekonomi [Internet]. 2023 Jul. 5 [cited 2026 Jun. 3];12(3):385-90. Available from: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/2202