Esther Ebele Akachukwu, Opeyemi Fadekemi Awosika, and Nwamaka Theresa Omaka, “Enhancing Biological Literacy: A Quasi-Experimental Study on the Comparative Effectiveness of Problem-Based Learning and Traditional Lecture Method in Secondary School Biology Education”, JESE, vol. 1, no. 2, pp. 185–195, Dec. 2025.