1.
Harahap E, Handayani S, Hasanah N, Panjaitan N, Simanjuntak A. THE INFLUENCE OF ADVERTISING IN MONOPOLISTIC AND OLIGOPOLIC COMPETITION MARKETS IN INDONESIA. JUPEK [Internet]. 8Jul.2026 [cited 18Jul.2026];7(2):235-42. Available from: https://jurnal.isdikkieraha.ac.id/index.php/jupek/article/view/1328