Nguyễn, T. N. V., and H. N. Vu. “SYNTHESIS, STRUCTURAL CHARACTERIZATION, BIOLOGICAL ACTIVITY OF COMPLEXES OF Mn(II), Cu(II) WITH 6-HYDROXY-3-SULFOQUINOL-7-YLOXYACETIC ACID”. Hong Duc University Journal of Science, no. 7, https://hdujs.edu.vn/index.php/js/article/view/1133. Accessed 17 Sept. 2026.