YUNUSOVA, N. (2026) “A SENSITIVE SORPTION–SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF CU(II) IONS IN NATURAL WATERS USING PYROCATECHOL BINAFSHA IMMOBILIZED ON A POLYETHYLENE POLYAMINE–POLYACRYLONITRILE (PPF-1) MATRIX”, «ACTA NUUz», 3(3.1), pp. 491–494. Available at: http://journals.nuu.uz/index.php/actanuuz/article/view/11440 (Accessed: 30 April 2026).