https://385.lhlogismiki.gr/book/%cf%80%ce%b1%cf%81%ce%ac%ce%b4%ce%b5%ce%b9%ce%b3%ce%bc%ce%b1-%ce%b1%cf%80%ce%bf%cf%84%ce%af%ce%bc%ce%b7%cf%83%ce%b7%cf%82-%cf%84%ce%b7%cf%82-%cf%86%ce%ad%cf%81%ce%bf%cf%85%cf%83%ce%b1%cf%82-%ce%b9/ 2019-01-28T11:55:20+00:00 monthly 0.6