Farounbi AI. Effect of Subject Combination on Students’ Performance in Biology: A Case Study of Osun State College of Education, Ila Orangun, Nigeria. JRES [Internet]. 2014 Apr. 1 [cited 2024 Sep. 19];5(1):39-44. Available from: http://icidr.org.ng/index.php/Jres/article/view/1362