BOKAYEV, B.; MOLDABAYEVA, A.; DAVLETBAYEVA, Z.; YESSENTEMIROVA, A.; TOREBEKOVA, Z. Evaluating Language Competencies of Kazakhstan’s Civil Servants: A Data-Driven Analysis and Development Model. Journal of Curriculum Studies Research, v. 7, n. 1, p. 66-88, 5 mar. 2025.