OGALA, A. E.; CHUKWUMA, O. C.; ALIYU, H. D.; INUSA, D. Prognosis of project-based instructional package on public secondary school students’ academic achievement in economics in Ebonyi State, Nigeria. Kashere Journal of Education , [S. l.], v. 3, n. 2, p. 48–58, 2023. Disponível em: https://journals.fukashere.edu.ng/index.php/kje/article/view/1011. Acesso em: 15 mar. 2026.