“…The principles of its work and perspectives of its application in the modern economic practice are studied in the following works: Bogoviz, (2019), Boyd and Holton, (2018), Mori, (2018), Popkova, (2017), Popkova, (2019), Popkova and Sergi, (2019), Sikdar, (2018), Sozinova, (2019), Sukhodolov et al (2018), Valter et al (2018) and Wei et al (2018). Various issues of diversification of educational services in the conditions of industry 4.0 are studied in publications (Burch and Miglani, 2018; Ginsberg et al , 2017; Ostrow et al , 2017; and Thomas and Nedeva, 2018).…”