Wahid Nugroho, Ahmad Soleh, Kaulan. THE INFLUENCE OF PROMOTIONAL COSTS ON SALES OF BEAT ESP MOTORS ON THE DEALER OF TDM MOTORCYCLES FOR PUTRI GREEN, NORTH BENGKULU. j.emak, j.emak [Internet]. 2020 Jul. 20 [cited 2025 Apr. 19];1(3):190-20. Available from: https://penerbitadm.pubmedia.id/index.php/jurnalemak/article/view/27