Serhii V. Leshchenko. Psychological features of the development of leadership competences of the non-commissioned officers of the National Guard of Ukraine : Доктор філософії : spec.. 053 - Психологія : presented. 2026-04-17; popup.evolution: o; National Academy of National Guard of Ukraine. – Харків, 0826U000381.

Updated: 2026-11-13