Bjni fortress /
A. Ghazaryan, N. Hovhannisyan.
- Yerevan : "Hayrapet" publishing house ; "Service for the Protection of Historical Environment and Cultural Museum-Reservations", SNCO, 2019.
- [48 pages] : col. ill. ; 20 cm.
- 902.6+72](479.25) (NLA) .