HARAHAP, R.; SITUMORANG, A. The Influence of Price Promotion and Discounts on Sales: Study at A Medical Device Company in Medan City. Jurnal Ekonomi, Bisnis & Entrepreneurship, [S. l.], v. 17, n. 1, p. 26–34, 2023. DOI: 10.55208/jebe.v17i1.309. Disponível em: https://jurnal.stiepas.ac.id/index.php/jebe/article/view/309. Acesso em: 20 apr. 2024.