“DEVELOPMENT AN EFFICIENT AND SELECTIVE OF DETECTION METHOD OF Fe (III) ION WITH AN IMMOBILIZED NITROSO-R-SALT”. Scientific journal of the Fergana State University 30, no. 6 (January 24, 2025): 109. Accessed January 9, 2026. https://journal.fdu.uz/index.php/sjfsu/article/view/5471.