knowledge management and managers have a primary school principals from the standpoint of their assistants. Journal Of Educational and Psychological Researches, [S. l.], v. 10, n. 38, p. 158–179, 2013. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/532. Acesso em: 4 may. 2025.