Economic information processing systems: Tutorial /A.V. Tyurin, A.Yu. Akhmerov - Düsseldorf: LAP LAMBERT Academic Publishing GmbH & Co.KG., 2021. - 225 p. - ISBN 978-620-3-30613-2.The textbook is written in accordance with the program of the course " Economic information processing systems ", which is read to junior specialists and bachelors in the specialty "Economics". The manual will be useful to identify and critically assess the state and trends of economic information processing systems and apply them to the formation of new models of economic systems and processes.