RELATIONSHIP BETWEEN PRINCIPALS’ SUPERVISORY SKILLS AND EFFECTIVE TEACHING OF ECONOMICS IN PUBLIC SECONDARY SCHOOLS IN ANAMBRA STATE, NIGERIA. International Research Journal of Transdisciplinary Perspectives, [S. l.], v. 2, n. 2, p. 1–18, 2026. Disponível em: https://journals.chroniva.org/index.php/IRJTP/article/view/126. Acesso em: 9 jun. 2026.