The degree of availability of time management methods for managers of the secondary school principals and their assistants in AIN ZARA region. Albayan Scientific Journal , [S. l.], n. 11, p. 97–71, 2023. DOI: 10.37375/bsj.vi11.2125. Disponível em: https://elc2.su.edu.ly/index.php/bayan/article/view/2125. Acesso em: 8 dec. 2025.