2 gymnasium Peristeriou
2nd Gymnasio Ilioupolis
3rd Gymnasio Nafpaktou
6th Junior High School of Veria
Measuring pH.mp4 from ΔΗΜΗΤΡΙΟΣ ΚΟΥΓΙΟΥΜΤΣΙΔΗΣ on Vimeo.
Colegiul de Industrie Alimentara “Elena Doamna”, Galati
2 gymnasium Peristeriou
2nd Gymnasio Ilioupolis
Measuring pH.mp4 from ΔΗΜΗΤΡΙΟΣ ΚΟΥΓΙΟΥΜΤΣΙΔΗΣ on Vimeo.
Colegiul de Industrie Alimentara “Elena Doamna”, Galati