- Author: Громова Т.Н.
- Language: Русский
- Author: Тастемірова Г.А. Молдағалиева Ж.Т. Хугияни Р.
- Language: Kazakh
- Author: Schumann Johannes.
- Language: Italian
- Author: Handjéri A.
- Language: French
- Author: Handjéri A.
- Language: French
- Author: Handjéri A.
- Language: French
- Author: Frustaci Maria.
- Language: Italian