π. Θεόδωρος Ζήσης, Ὁ Ἅγ. Γρηγόριος ὁ Θεολόγος & ἡ ἐπιστροφή τῆς Ἁγίας Τριάδος στήν Κωνστ/πολη (Β΄)

https://www.youtube.com/watch?v=n7IOSdlOABQ&t=43s

Dimitris Hatzinikolaou, former Associate Professor University of Ioannina, Dept. of Economics University Campus, 45110 Ioannina, HELLAS

E-mail: dhatzini@uoi.gr