“COMPLEX OF NICKEL (II) ION WITH TRYPTOPHAN AS A HOMOGENEOUS CATALYST IN THE DECOMPOSITION REACTION OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION” (2021) Proceedings of the YSU B: Chemical and Biological Sciences, 55(2 (255), pp. 118–124. doi:10.46991/PYSU:B/2021.55.1.118.