Lytvyn, V., Vysotska, V., Shatskykh, V., Kohut, I., Petruchenko, O., Dzyubyk, L., Bobrivetc, V., Panasyuk, V., Sachenko, S., & Komar, M. (2019). Design of a recommendation system based on collaborative filtering and machine learning considering personal needs of the user. Eastern-European Journal of Enterprise Technologies, 4(2 (100), 6–28. https://doi.org/10.15587/1729-4061.2019.175507