SYNTHESIS AND STUDY OF MIXED-METAL COMPLEXES OF Mn(II), Co(II), Ni(II), Cu(II), Zn ON BASE OF AMMONIUM VANADATE AND 5-AMINO-2- MERCAPTOBENZYMIDAZOLE. - RAXMONOVA, D. S.; KADIROVA, Z. CH. (Uzbek Chemical Journal / O'Zbekiston Kimyo Jurnali, 2021)