UKOZOR, Conrad Ugochukwu; EDET, Inemesit Nsikak. Principal’s Managerial Conceptual Skills and Teachers Job Performance in Secondary Schools in Nigeria . Jurnal Pendidikan Non formal, [S. l.], v. 1, n. 3, p. 9, 2024. DOI: 10.47134/jpn.v1i3.308. Disponível em: https://edu.pubmedia.id/index.php/jpn/article/view/308. Acesso em: 7 jun. 2025.