For citations:

Vetrova O.A., Oboznaya M.V. Theoretical Prerequisites for the Emergence of the Phenomenon of Procrastination: the Essence and Classification. Proceedings of the Southwest State University. Series: Economics. Sociology. Management. 2021;11(6):212-222. (In Russ.) https://doi.org/10.21869/2223-1552-2021-11-6-212-222