Rakovets, O., I. Kuznetsov, M. Osyp, and I. Kotsan. “Electric Activity of the Human Brain in Individuals With Different Egoism-Altruism Level”. ScienceRise: Biological Science, no. 3 (12), June 2018, pp. 29-33, doi:10.15587/2519-8025.2018.135426.