Abdulazizov , Tilebaldy, Diana Kairatbek kyzy, and Tattybubu Gulamova. “RECOMMENDATIONS ON SOME TOPICS OF CHEMISTRY TEXTBOOKS FOR 8-9 GRADES IN SECONDARY SCHOOLS”. Journal of Osh State University. Chemistry. Biology. Geography, no. 2(3) (December 15, 2023): 1–6. Accessed November 8, 2026. https://journal.oshsu.kg/index.php/chem-bio-geo/article/view/1273.