M. MAMEDOVA, Z. SMANOVA, and M. ABDULLAYEVA, “TOSHKENT VILOYATI OHANGARON SANOAT HUDUDI TUPROG‘I TARKIBIDAGI OG‘IR METALLARNI HAMDA CR IONINI MASS-SPEKTROMETRIK USULDA ANIQLASH”, NUUz, vol. 3, no. 3.2.1, pp. 437–439, Dec. 2025.