Mkhitaryan, R.P. “STUDY OF POTASSIUM PERSULFATE DECOMPOSITION AT THE PRESENCE OF Co(II)–DIMETHYLAMINOETHANOL CATALYTIC SYSTEM”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 46, no. 3 (229), Jan. 2022, doi:10.46991/PYSU:B/2012.46.3.018.