- prabook.com web/saken.seyfullin/1903961
- e-history.kz Other Saken Seyfullin. Thorny path
- destimap.com index.php…
- hotels.com de11401838/hotels-near-kazakh-drama-…
- iie.kz ?p=26290&lang=enBiography. Saken (Sadvakas) Seifullin was born on October 15, 1894 in the nomadic aul of Akmola district (modern Karaganda region).
- http://investinkostanay.kz en/items/4
- travelingluck.com Asia/Kazakhstan/Qaraghandy/_…
- tr.pinterest.com pin/philipp-on-instagram-the-…