HADINATA, W.; JEFFREY, J.; TRIZIE, R.; HUTAGAOL, J. The EFFECT OF PERSONAL SELLING, SALES PROMOTION AND PRODUCT QUALITY ON THE PURCHASE DECISION OF YUASA BRAND MOTOR BATTERY AT PT ADIDAYA KARYA INDOTAMA MEDAN. Jurnal Ekonomi, [S. l.], v. 12, n. 01, p. 1180–1183, 2023. Disponível em: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1025. Acesso em: 15 may. 2026.