The secrets of gold
The secrets of gold
A lesson about how gold is formed and used.
9.-12. klase
Autors: Guba András
Korektors: Jóri Johanna
Grafiskais dizaineris: Molnár Mónika
mozaLink
/Tīmekļa saite
A lesson about how gold is formed and used.
9.-12. klase
Autors: Guba András
Korektors: Jóri Johanna
Grafiskais dizaineris: Molnár Mónika
mozaLink
/Tīmekļa saite