Oladunni, J.O. “The Strength of a Compressively Loaded Plate by Photoelasticity Method”. Journal of Science and Technology 11, no. 1 (January 11, 2016): 33- 35. Accessed July 16, 2024. https://webapps.knust.edu.gh/just/index.php?journal=just&page=article&op=view&path[]=1061.