Obielodan, O., 		Fakomogbon, M., 		Amosa, A., & 		Njoagwu, R.
(2017).
 Effect of Video Based Instruction for Teaching Mathematics in Primary Schools in Ifelodun Local Government Area, Lagos State.
<em>NIU Journal Of Humanities, 2</em>(1), 331-337.
Consultado de <a href="https://www.kampalajournals.ac.ug/ojs/index.php/niuhums/article/view/129" target="_new">https://www.kampalajournals.ac.ug/ojs/index.php/niuhums/article/view/129</a>