GANA, C. S. 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. Sokoto Educational Review, [S. l.], v. 12, p. 37–42, 2011. DOI: 10.35386/ser.v12i0.268. Disponível em: https://sokedureview.org/index.php/SER/article/view/268. Acesso em: 27 jul. 2024.