https://www.cossa.ru/profile/?ID=200501
https://issuu.com/hrisovalantis?issuu_product=header&issuu_context=link&issuu_cta=profile
https://dzone.com/users/4737148/hrisovalantis.html
https://profiles.delphiforums.com/n/pfx/profile.aspx?webtag=dfpprofile000&userId=1891148599
https://bibliocrunch.