Zhusupkalieva , G. ., Lindell, A. ., Kuanbayeva, B. ., Saltanova, G. ., & Tumysheva , A. . (2025). Integrating science education in Kazakhstan: Teacher preparedness and the development of 21st -century skills. International Journal of Innovative Research and Scientific Studies, 8(5), 1700–1710. https://doi.org/10.53894/ijirss.v8i5.9233