Opening https://grevenapress.gr/sygcharitirio-minyma-tis-diefthynsis-defterovathmias-ekpaidefsis-p-e-grevenon-gia-ti-diakrisi-mathiton-ton-scholikon-monadon-sti-g%CE%84-fasi-panellinion-scholikon-agonon-klasikou-athlitismou/