OSSAI, A. G..
 Effect of Secondary School Principals' Record-Keeping Practice on Administrative Effectiveness in Delta State, Nigeria.
<strong>NIU Journal of Social Sciences</strong>, [S.l.], v. 10, n. 1, p. 167-174, mar. 2024.
ISSN 3007-1690.
Available at: &lt;<a href="https://kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/1802" target="_new">https://kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/1802</a>&gt;. Date accessed: 14 apr. 2026.
doi: <a href="https://doi.org/10.58709/niujss.v10i1.1802">https://doi.org/10.58709/niujss.v10i1.1802</a>.