Role of medieval texts in the system of common Turkic historical sources

Source studies, as a science is fundamental to various fields within the humanities and is inherently interdisciplinary. Among the theoretical issues of source studies, historical source analysis holds the primary position. The article utilized works by Mirza Muhammad Haidar Dughlat and Kadyrgali Kosymuly Zhalairi as the primary source. These works contain unique information about the consolidation of Kazakh tribes in the middle of the 15th century and their unification into a large state entity. The fundamental nature of source studies is determined primarily by the distinctive features of historical science: a historian cannot directly study the object of history - the “past of society”. It is only mastered through critical analysis of historical sources, which are the subject of historical science. According to the theory of source studies, the main goal of research is generalization and systematization of historical information, methods of assessment and generalization are shown. Data science is closely intertwined with the practice of factual data analysis. Source studies is a critical assessment of their reliability and validity. Theory of source studies theory should ensure professionalism, quality, and the effectiveness of research.