C. Ehizemhen Igibah, L. Omolayo Agashua, and A. Abubakar Sadiq, “Steel rebar categories data and statistical properties of Nigerian reinforcement used for structural strength”, IJET, vol. 8, no. 4, pp. 550–551, Nov. 2019, doi: 10.14419/ijet.v8i4.29869.