Malima, M., B. Mtani, and A. Ngowi. “Analysis of the English Language Test Competencies and Its Usefulness: A Case of National Examination Council of Tanzania (NECTA)”. Journal of Co-Operative and Business Studies (JCBS), vol. 4, no. 2, Sept. 2021, doi:10.2023/jcbs.v4i2.85.