Aslonov Anvar Akram o’g’li and Tursunov Akmal (2024) “OG’IR METALLAR TUSHUNCHASI VA TURLARI”, Ustozlar uchun, 52(1), pp. 17–21. Available at: http://pedagogs.uz/index.php/01/article/view/653 (Accessed: 23 October 2024).