Chukwunonso, E. B., and O. E. Chinelo. “Common Process Errors in Geometry Committed by Students from Private and Public Secondary Schools in Anambra State, Nigeria”. The International Journal of Humanities & Social Studies, vol. 9, no. 7, July 2021, doi:10.24940/theijhss/2021/v9/i7/HS2107-056.