Useful addresses to assist you in your residence permit process are as follows:
Directorate General of Migration Management
https://en.goc.gov.tr/
Foreigners Communication Center (YIMER)
https://yimer.gov.tr/EN/Index
Residence Permit Application
https://e-ikamet.goc.gov.tr/
Residence Permit Payment
https://intvrg.gib.gov.tr/gocborc.jsp
Directorate General of Migration Management Youtube Account
https://www.youtube.com/channel/UCk4p0zl3EyDVF9Oi4oZNrpA