Abduraximova Shahlo Azim qizi, and Kosimova Xurshida Rajabboyovna. “CONSTRUCTIVIST PEDAGOGICAL MODELS FOR DEVELOPING SKILLS THROUGH CHROMATOGRAPHIC PROBLEM-SOLVING TASKS”. Research Focus International Scientific Journal, vol. 4, no. 5, June 2025, pp. 20-23, https://refocus.uz/index.php/1/article/view/1606.