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Iron
Iron is one of the most important metals in everyday life. Learn about its occurrence, properties and role in the living world.
7 – 10. razred
Autor: dr. Stonawski Tamás, Vona Nándor Imre
Ocjenjivač: Horváthné Kunstár Andrea, Tóth Katalin, Illés Emese
Grafičar: Molnár Mónika
Developer: Kovács-Jeszenszky Anna
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