Samulev, M. V., and E. M. Samokhina. “Involvement in the Volunteer Movement (on the Example of Students of the NWIM RANEPA)”. Novelty. Experiment. Traditions, vol. 9, no. velty, Jan. 2023, pp. 92-104, https://ojs.owebs.ru/nxtjournal/article/view/27169.