Aslonov Anvar Akram o’g’li, Tursunov Akmal. OG’IR METALLAR TUSHUNCHASI VA TURLARI. tadqiqotlar [Internet]. 2024 Jan. 4 [cited 2024 Oct. 23];51(2):192-6. Available from: http://pedagogs.uz/index.php/01/article/view/665