Technické vedy
Technické vedy
http://www.arada.sk/technicke-vedy
Rutherford and Fry's Complete Guide to Absolutely Everything (Abridged)
Rutherford and Fry's Complete Guide to Absolutely Everything (Abridged)
https://www.arada.sk/Kniha/rutherford-and-frys-complete-guide-to-absolutely-everything-abridged-1