@article{chinna2013,
  title={Effects of Developed Electronic Instructional Medium on Students’ Achievement in Biology},
  author={Nsofor Caroline Chinna and Momoh Gabriel Dada},
  year={2013},
  journal={Journal of Education and Learning},
  doi={10.5539/jel.v2n2p1},
  url={https://doi.org/10.5539/jel.v2n2p1}
}