Korpa je prazna
How to treat waste responsibly
This lesson helps you understand how waste affects the environment and your everyday life.
9. godina
Autor: Illés Emese
Lektor: Hodula Orsolya, Dr. Nagy Márió, Szilágyi Judit
Grafičar: Gyulai Kamilla
Programer: Gálea Patrik
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