John, Friday, 		Sani, Abdullahi, 		Ranccas, Bashir, AND 		Maskawa, Bashir.
" 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</em> [Online], Volume 3 Number 4 (4 February 2019)