Gana CS. EFFECT OF CHALK-BOARO MATHEMATICAL SET ON STUDENT’S PERFORMANCE IN FURTHER MATHEMATICS IN SOME SECONDARY SCHOOLS IN BOSSO LOCAL GOVERNMENT AREA OF NIGER STATE, NIGERIA. sokedureview [Internet]. 2011Dec.31 [cited 2024Dec.18];12:37-42. Available from: http://sokedureview.org/index.php/SER/article/view/268