Το υλικό των κ.κ. Τρέσσου & Μυτακίδου και σε μορφή pdf στο Scribd

https://www.scribd.com/presentation/384697661/%CE%A4%CE%B5%CE%BB%CE%B9%CE%BA%CE%BF-%CE%A0%CE%B1%CE%B9%CE%B4%CE%B1%CE%B3%CF%89%CE%B3%CE%B9%CE%BA%CE%AD%CF%82-%CE%A0%CF%81%CE%BF%CF%83%CE%B5%CE%B3%CE%B3%CE%AF%CF%83%CE%B5%CE%B9%CF%82-%CE%93%CE%B9%CE%B1-%CE%A4%CE%AC%CE%BE%CE%B5%CE%B9%CF%82-%CE%88%CE%BD%CF%84%CE%B1%CE%BE%CE%B7%CF%82-Lt-Sm