AMAO-ADELEKE, Lukmon; DR. AKOREDE, F. Serifat. Effect of Economics Instructional Package on Secondary School Students Attitude to Economics in Lagos State, Nigeria. African Journal of Behavioural and Scale Development Research, [S. l.], v. 7, n. 2, 2026. DOI: 10.58579/AJB-SDR/7.2.2025.61. Disponível em: https://ojs.abreap.org/index.php/journal/article/view/435. Acesso em: 18 aug. 2026.