Evelina V. Kuz'mina, Nina G. P'yankova, Natal'ya V. Tret'yakova, Anna V. Botsoeva 2020. Using Data Analysis Methodology to Foster Professional Competencies in Business Informaticians. European Journal of Contemporary Education. 9, 1 (Aug. 2020). DOI:https://doi.org/10.13187/ejce.v19i 1 .194.