Qarshiyev Zohidjon Abdirahim o‘g‘li, Xo’jjiyev Ma’murjon Yangiboyevich, and Kodirova Shaxnoza Salomovna. “METHODS FOR DETERMINING DEFECT LEVELS FOR LABORATORY DEVICES”. Journal of Science-Innovative Research in Uzbekistan, vol. 1, no. 9, Dec. 2023, pp. 645-51, https://universalpublishings.com/index.php/jsiru/article/view/3252.