[1]
Harahap, E., Handayani, S., Hasanah, N., Panjaitan, N. and Simanjuntak, A. 2026. THE INFLUENCE OF ADVERTISING IN MONOPOLISTIC AND OLIGOPOLIC COMPETITION MARKETS IN INDONESIA. Jurnal Pendidikan dan Ekonomi (JUPEK). 7, 2 (Jul. 2026), 235-242. DOI:https://doi.org/10.5281/zenodo.21261943.