- chubbsafes.com en-my/products/fortress/
- androidoyun.club 2016/06/fortress-under-siege-hd-…
- rcac.purdue.edu storage/fortress
- tr-tr.facebook.com fortressofthebear/
- handwiki.org wiki/History:Chebaki_Fortress'Chebaki fortress'; Template:Lang-kjh.[7][8]. In the Khakass language, the term "sume" comes from Mongolian: Süm-e, lit.Bulunamadı: hakasya
- diziwatch.net dizi/koutetsujou-no-kabaneri/
- roblox.com games/150357726/Fortress
- tarihvearkeoloji.blogspot.com 2019/05/Several tens of them are presently known. One of the most grandiose constructions was discovered near Chebaki village of the Shirinskiy region in Khakassia.
- qnnit.com escape-from-fortress-lugohm-guide/