“…There are also educational institutions providing further (vocational) training and higher education and professional training that are entitled to developing their own curricula and, thereby, they need teaching / learning materials to suit the curricula. In the sphere of vocational and professional training, be it further or higher education, market demand for specialists, professional requirements, demand for training services are changing very quickly (Petrova, Zorina, Kreer, 2019) so textbooks (educational packages) should be constantly updated and redesigned to keep pace with the changing environments. Therefore, educators are facing a problem of designing, developing and updating their own educational packages.…”