Kovalskaya, Svetlana Ivanovna Astana"s Evolution From the Outskrit"s to the Capital: Name, Emblem, and Territorial Settlement [Text] / Svetlana Ivanovna Kovalskaya // History Research. - 2012. - Vol. 2. № 5. – p. 341-348. - References: p. 347-348 ISSN 2159-550X.