Калита, А. А., & Клименюк, О. (2019). Methodological-and-energetic approach to the study of speech universals. The Journal of V.N. Karazin Kharkiv National University. Series: Foreign Philology. Methods of Foreign Language Teaching, (88), 8-18. https://doi.org/10.26565/2227-8877-2018-88-01