Okoye, I.F., Maduka, N. C., Abdulrazaq, U., and Okoli, O.O. 2015. “Criteria for Realizing the Multi – Crystal Silicon Solar Cell (PV Cell) With Efficiency, Which Could Be Used in Electricity Generation in Nigeria”. International Journal of Science for Global Sustainability 1 (1):10. https://doi.org/10.57233/ijsgs.v1i4.302.