Essien, J. B., M.A. Boi, and J. J. Aghachi. 2026. “Formative Assessment  and Student’s Academic Achievement in Chemistry in Senior Secondary Schools in Nsit Ibom Local Government Area, Akwa Ibom State”. International Journal of Education and National Development 4 (2): 160-70. https://doi.org/10.46654/2qqg8f55.