From the history of the study of the Chagatai ulus governance system

This article discusses the history of study Mongols particularly Chagatai Ulus who ruled Movaraunnahr in 13th century till first half 15th. It contains information from studies about Ulus, which is gaining international relevance today, to scientific informations modern researchers. Indeed, research on subject scarce, and many questions their policies, social especially cultural governance systems have yet be answered.