Sattorova Sharofat Ashakova. “KIMYOVIY FORMULA, VALENTLIK, INDEKS HAQIDA TUSHUNCHALAR”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ 46, no. 8 (June 3, 2024): 172–174. Accessed November 25, 2024. https://newjournal.org/01/article/view/14522.