1.
Oparaji IC, Uwaezuoke M-RI, Okonkwo EC. The elements in system analysis on principals’ managerial effectiveness in public secondary school . Eureka: J. of Educ. Res. [Internet]. 2024 May 27 [cited 2025 Nov. 20];3(1):36-43. Available from: https://eureka.id-sre.org/index.php/ejer/article/view/32