EGHAREVBA, John; 						IYAMU, E.O. S..
 Promoting the Effective Teaching and Learning of Social Studies through the Use of Mastery Learning Strategies in the 21st Century.
<strong>NIU Journal of Social Sciences</strong>, [S.l.], v. 6, n. 2, p. 321-326, july 2020.
ISSN 3007-1690.
Available at: &lt;<a href="https://kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/876" target="_new">https://kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/876</a>&gt;. Date accessed: 14 june 2026.