Achievement Variations of Basic Science Students Taught with Teacher-Centred, Teacher/Student-Centered and Student-Centered Instructions in Kaduna State, Nigeria. Journal of Educational and Social Research, London, U.K., v. 2, n. 8, p. 24, 2012. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/11987.. Acesso em: 18 jul. 2024.