TY JOUR TI Approbation of the semantic differential «Assessment of one’s own vital energy» for the heads of internal affairs agencies KW leader KW vitality KW subjective vitality KW semantic differential KW psychometric reliability KW factor structure JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Maltseva, T.V. PY 2022 IS 2022 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION