ABDURAXIMOVA SHAHLO AZIM QIZI; KOSIMOVA XURSHIDA RAJABBOYOVNA. CONSTRUCTIVIST PEDAGOGICAL MODELS FOR DEVELOPING SKILLS THROUGH CHROMATOGRAPHIC PROBLEM-SOLVING TASKS. Research Focus International Scientific Journal, [S. l.], v. 4, n. 5, p. 20–23, 2025. DOI: 10.66073/10.66073. Disponível em: https://refocus.uz/index.php/1/article/view/1606. Acesso em: 9 may. 2026.