Tkachuk, M., Sokol, V., Bilova, M. and Kosmachov, O. 2018. Classification, typical functionality and application peculiarities of learning management systems and training management systems at IT-companies. Advanced Information Systems. 2, 4 (Dec. 2018), 87–95. DOI:https://doi.org/10.20998/2522-9052.2018.4.15.