NATURE PUBLISHING GROUP.

ACADEMIC PRESS LTD-ELSEVIER SCIENCE LTD.

38th International Scientific Conference on Economic and Social Development. VARAZDIN DEVELOPMENT & ENTREPRENEURSHIP AGENCY.

RUSSIAN ACAD SCIENCES, GORKY INST WORLD LITERATURE.

6th International Conference on Education and Social Sciences (INTCESS). INT ORGANIZATION CENTER ACAD RESEARCH.

EUROPEAN MATHEMATICAL SOC.

Удмуртский государственный университет.

12th International Management Conference on Management Perspectives in the Digital Era (IMC). EDITURA ASE.

Routledge.

13th International Conference on Virtual Learning (ICVL 2018). BUCHAREST UNIVERSITY PRESS.

2nd International Conference on Economic Development and Education Management (ICEDEM). ATLANTIS PRESS.

11th World, Asthma, Allergy and COPD Forum. FILODIRITTO PUBLISHER.

Conference on E-learning and Smart Learning Environment for the Preparation of New Generation Specialists. UNIV SILESIA.

5th International Conference on Education and Social Sciences (INTCESS). INT ORGANIZATION CENTER ACAD RESEARCH.