Modern science in the XXI century : main problems and stages of development. Volume II. (Аспирантура, Бакалавриат, Магистратура). Монография.

This scientific collection of articles is devoted to the problems of modern science. In their articles the authors told about new discoveries, innovations, problems and solutions. In addition, this collection of all teachers and students can use in the teaching process. The authors are responsible for this information in the articles.