İletişim / Contact :
kayhan.ulker_at_gmail.com ( _at_ -> @ )

Youtube : (online ders vs. için)
https://www.youtube.com/c/KayhanUlker

Orcid Id :
https://orcid.org/0000-0003-0814-9320

Sosyal medya :
Twitter, Instagram , LinkedIn , Researchgate.