“XONJIZZA SUVI TARRKIBIDAGI PB2+ IONINI 5,7-DIBROMO-8- GIDROKSIKINOLIN REAGENTI BILAN SPEKTROFOTOMETRIK ANIQLASHNING OPTIMAL SHAROITLARINI OʻRGANISH” (2026) ACUMEN: INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH, 3(5), pp. 1209–1215. doi:10.66301/3et17e04.