John, F., 		Sani, A., 		Ranccas, B., & 		Maskawa, B.
(2019).
 Effects of Concept Mapping and Demonstration Method on Senior Secondary Two Biology Students’ Achievement in Genetics in Jos North, Plateau State.
<em>NIU Journal Of Humanities, 3</em>(4), 177-182.
Consultado de <a href="https://www.niujournals.ac.ug/ojs/index.php/niuhums/article/view/428" target="_new">https://www.niujournals.ac.ug/ojs/index.php/niuhums/article/view/428</a>