RATUSHNYI, Roman; ANDRUKHIV, Dmytro. A SYSTEMIC APPROACH TO MANAGING PROJECT PORTFOLIOS FOR THE DEVELOPMENT OF TERRITORIAL SECURITY SYSTEMS. Security Forum, [S. l.], v. 9, n. 1, 2026. Disponível em: https://ojs.wsb.edu.pl/index.php/sf/article/view/1791. Acesso em: 22 sep. 2026.