Lavrov, E., Barchenko, N., Pasko, N. and Borozenec, I. 2017. Development of models for the formalized description of modular e-learning systems for the problems on providing ergonomic quality of human-computer interaction. Eastern-European Journal of Enterprise Technologies. 2, 2 (86) (Apr. 2017), 4–13. DOI:https://doi.org/10.15587/1729-4061.2017.97718.