“RELATIONSHIP BETWEEN PRINCIPALS’ SUPERVISORY SKILLS AND EFFECTIVE TEACHING OF ECONOMICS IN PUBLIC SECONDARY SCHOOLS IN ANAMBRA STATE, NIGERIA” (2026) International Research Journal of Transdisciplinary Perspectives, 2(2), pp. 1–18. Available at: https://journals.chroniva.org/index.php/IRJTP/article/view/126 (Accessed: 9 June 2026).