Analysis of Standard Error of Measurement (SEM) of 2019 West African Senior School Certificate Examination Multiple-Choice Objective Tests in Economics . Kashere Journal of Education, [S. l.], v. 2, n. 2, p. 25–33, 2021. Disponível em: https://kasherejournalofeducation.org/index.php/kje/article/view/98. Acesso em: 28 oct. 2026.