KAJURU, Y. K. THE EFFECT OF USING FORMULA APPROACH ON THE TEACHING OF MATHEMATICAL CONCEPTS IN SENIOR SECONDARY SCHOOLS IN KADUNA STATE. Sokoto Educational Review, [S. l.], v. 10, n. 2, p. 211–219, 2020. DOI: 10.35386/ser.v10i2.407. Disponível em: http://sokedureview.org/index.php/SER/article/view/407. Acesso em: 18 dec. 2024.