- ua.tribuna.com orkun-kocku/stat/
- football.kulichki.net players/20084-Orkun-…
- sportliga.com players/orkun_kekchyu
- ru.whoscored.com Players/355870/Show/Orkun-KökçüBulunamadı: кёкчю
- nb-bet.com Players/24754-Orkun-Kyokchyu-…
- hwceleb.com ru/person/orkun-kokcu/
- readfootball.com football-turkey/players/orkun-…
- web.archive.org web/20230226210548/https://ru.…