Ojo, Oludare DavidBadru, Surajudeen Adewale2021-10-042021-10-042016-051117-1855https://uilspace.unilorin.edu.ng/handle/20.500.12484/6497enMother TongueAchievementInterferenceInfluence of Mother Tongue on Students Achievement in English Language in Junior Secondary Certificate Examination in Oyo State, NigeriaArticle