Siaufanti stella. THE EFFECT OF EASE OF TRANSACTIONS AND PROMOTIONS ON PURCHASING DECISIONS USING GOPAY E-MONEY PAYMENTS IN THE NEW NORMAL ERA (STUDY CASE ON DEAR BUTTER AT MALL PODOMORO MEDAN). IBEC [Internet]. 2022 Dec. 31 [cited 2025 Oct. 27];1(1):75-8. Available from: https://conference.eka-prasetya.ac.id/index.php/IBEC/article/view/19