See:
- Koimesis Kilisesi - http://tayproject.org/TAYBizansMar.fm$Retrieve?YerlesmeNo=20241&html=bizansdetaile.html&layout=web
- https://www.thebyzantinelegacy.com/koimesis-nicaea
- Haluk Çetinkaya, Churches of Nicaea, in: Nis and Byzantium 2021, pp. 55 – 76