@article{awolaju2015,
  title={Instructional Materials as Correlates of Students’ Academic Performance in Biology in Senior Secondary Schools in Osun State},
  author={Bisiriyu Ajani Awolaju},
  year={2015},
  journal={International Journal of Information and Education Technology},
  doi={10.7763/ijiet.2016.v6.778},
  url={https://doi.org/10.7763/ijiet.2016.v6.778}
}