https://kursy.folder.edu.pl/courses/angielski-b2-upper-inetrmediate/2025-09-03T10:20:11+02:00https://kursy.folder.edu.pl/courses/kurs-a1-elementary/2025-10-24T11:58:50+02:00https://kursy.folder.edu.pl/courses/angielski-a2-pre-intermediate/2025-10-27T13:48:58+01:00https://kursy.folder.edu.pl/courses/angielski-na-lotnisku/2025-10-24T11:58:33+02:00https://kursy.folder.edu.pl/courses/at-the-hotel/2025-10-24T11:58:13+02:00https://kursy.folder.edu.pl/courses/health-issues-on-the-holidays/2025-10-24T11:57:45+02:00https://kursy.folder.edu.pl/courses/witaj-w-module-elementy-jezyka/2026-06-24T12:03:18+02:00https://kursy.folder.edu.pl/courses/telc-rozumienie-tekstu-pisanego/2026-06-24T12:03:16+02:00https://kursy.folder.edu.pl/courses/telc-sluchanie/2026-06-24T12:03:15+02:00