Akpan, I. I., Utibe, U. J., Babayemi, J. O., & Nelson, M. F. (2023). Effect of Geo-Board and Charts on Students’ Achievement in Mathematics in Essien Udim, Akwa Ibom State, Nigeria. Journal of Research in Education and Society (JRES) , 14(2), 91–102. Retrieved from http://icidr.org.ng/index.php/Jres/article/view/1537