https://koinsep.org/%ce%bc%ce%b1%ce%b8%ce%ae%ce%bc%ce%b1%cf%84%ce%b1-%ce%b7%ce%b3%ce%b5%cf%83%ce%af%ce%b1%cf%82-%ce%b1%cf%80%cf%8c-%cf%84%ce%b7%ce%bd-cheryl-cran/
Μαθήματα ηγεσίας από την Cheryl Cran