Oluwatosin Ajayi, V. (2025). Creation and Utilization of Collaborative-Predict-Explain-Observe-Explain (CPEOE) Instructional Package and Students’ Learning Outcomes in Chemistry in Nigeria. Journal of Research in Science and Mathematics Education, 4(2), 80–94. https://doi.org/10.56855/jrsme.v4i2.1438