Atawolo, P. M., and W. . Nagul. “A Case Study on Personal Problems of Grade 10 Students at Sint Carolus Catholic Senior High School, Kupang, Associated With Online Game Addiction”. TOFEDU: The Future of Education Journal, vol. 5, no. 1, Jan. 2026, pp. 80-84, doi:10.61445/tofedu.v5i1.1371.