DAVIDSON, D. V. C., Maduegbunam, T. O., Odo, D. J. A., Adonu, D. I. I., & Agbo, C. N. . (2025). Effect of STEM Problem-Based Learning on Achievement in Basic Science among Secondary School Students. International Journal of Research in STEM Education, 7(1), 151–161. https://doi.org/10.33830/ijrse.v7i1.1783