SAGDULLAYEVA, Laylo, et al. “4-AMINO-5-(2-AMINOPHENYL)-2,4-DIHYDRO-3N-1,2,4-TRIAZOLO-3-THIONIC REAGENT ELECTROCHEMICAL PROPERTIES AND APPLICATIONS IN LEAD(II) ION DETECTION”. «ACTA NUUz», vol. 3, no. 3.2, Sept. 2026, pp. 326-9, http://journals.nuu.uz/index.php/actanuuz/article/view/14824.