Ghochikyan, Tariel V., et al. “STUDY OF THE BIOLOGICAL PROPERTIES OF SEMI- AND THIOSEMICARBAZONES OF CARBONYL DERIVATIVES OF 4-BUTANOLIDES”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 55, no. 2 (255), Aug. 2021, pp. 103-11, doi:10.46991/PYSU:B/2021.55.2.103.