Kholjurayeva Bodomoy Asror qizi, and Marat Sultanov Mirzayevich. “THE USE OF CHROMATOGRAPHIC METHODS IN DETERMINING THE COMPOSITION OF SUBSTANCES IN SCHOOL CHEMISTRY LESSONS”. Zeta Repository, vol. 4, no. 05, May 2023, pp. 1-5, https://zetarepo.com/index.php/zr/article/view/1411.