EFFECTS OF THE AVAILABILITY OF TRAINED TEACHERS ON STUDENTS’ ACADEMIC PERFORMANCE IN SELECTED PUBLIC SCHOOLS IN MANDERA NORTH SUB COUNTY; A CROSS-SECTIONAL STUDY. SJ-Education [Internet]. 2024 Apr. 30 [cited 2024 Sep. 19];1(4):9. Available from: https://education.sjpublisher.org/index.php/sjedu/article/view/23