Zhebchuk I, Vasylchenko O. PERSUASION AS A MEANS OF PSYCHOLOGICAL INFLUENCE IN THE MANAGEMENT ACTIVITIES OF SECONDARY SCHOOL HEADMASTERS. Psychological journal [Internet]. 2019 Sep. 30 [cited 2026 Jul. 17];5(9):45-56. Available from: https://apsijournal.com/index.php/psyjournal/article/view/673