Jackson S, Mkulu D, Ogar PA. Influence of Heads of Schools Classroom Observation on Teachers’ Job Performance in Public Secondary Schools in Magu District, Tanzania. JTLC [Internet]. 2026 Jun. 8 [cited 2026 Jun. 10];2(1):279-93. Available from: https://journal.pusmedia.com/JTLC/article/view/353