Terminological Variation: Perspectives of Studies - I. O. Holubovska; Ya. Zhalai; T. H. Lynnyk; N. M. Bykhovets; A. F. Parkhomenko; L. M. Rubashova; O. V. Kruhlykova; I. I. Rakhmanova; T. M. Boboshko (21 century linguistics: new research and prospects, 2016)