“COMPLEX OF NICKEL (II) ION WITH TRYPTOPHAN AS A HOMOGENEOUS CATALYST IN THE DECOMPOSITION REACTION OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION”, Proc. YSU B: Chem. Biol. Sci., vol. 55, no. 2 (255), pp. 118–124, Aug. 2021, doi: 10.46991/PYSU:B/2021.55.1.118.