geography of bulgaria câu

Câu ví dụ

1. Space research in Bulgaria (in Bulgarian).
   Geography of Bulgaria (bằng tiếng Bulgarian).
2. History of Bulgaria (in Bulgarian).
   Geography of Bulgaria (bằng tiếng Bulgarian).
3. Geography of Bulgaria (in Bulgarian).
   Geography of Bulgaria (bằng tiếng Bulgarian).
4. Geography of Bulgaria (in Bulgarian).
   Geography of Bulgaria (bằng tiếng Bulgarian).
5. Greek Investments in Bulgaria (in Greek).
   Geography of Bulgaria (bằng tiếng Bulgarian).