Ugochukwu Stephen Onedigbo, Perpetua Okorji. PRINCIPALS’ INSTRUCTIONAL LEADERSHIP PRACTICES AS PREDICTORS OF TEACHERS’ JOB EFFECTIVENESS IN SECONDARY SCHOOLS IN ANAMBRA STATE. IJAAR. 2023;9(11):178-191. Consulté le octobre 24, 2026. https://www.openjournals.ijaar.org/index.php/ijaar/article/view/279