Maemeko E, Nkengbeza D, Ntabi M. Teachers’ perceptions on the causes of poor academic performance of grade 12 learners in four selected schools in the Zambezi Region of Namibia. er [Internet]. 2017Apr.30 [cited 2026Aug.28];2(4):93-110. Available from: https://www.ijrdojhsn.com/index.php/er/article/view/184