Oktavia, R., S. I. . Nikensari, and D. . Iranto. “The Effect of Price Perception, Consumer Income, and Consumer Preferences on the Demand for Tourism Services (Case Study at Sea World Ancol)”. TOFEDU: The Future of Education Journal, vol. 4, no. 2, Feb. 2025, pp. 463-71, doi:10.61445/tofedu.v4i2.449.