M. B. Ajieva, A. O. Babanazarova, and D. Q. o‘g‘li Sultonov, “MAKTABDA KIMYO KURSIDA SINFDAN TAShQARI IShLAR, OLIMPIADALAR VA KIMYO KEChALARINI TAShKILLAShTIRISh METODIKASI”, SS, no. 3-3, pp. 68–70, May 2026, Accessed: Aug. 03, 2026. Available: https://journal.ndpi.uz/ss/article/view/2026-3-3-023