“EN 338 STRENGTH GRADE AND UNCERTAINTY MODELS OF MATERIAL PROPERTIES FOR NIGERIAN GROWN TERMINALIA SUPERBA (WHITE AFARA) TIMBER SPECIE”. Nigerian Journal of Technology 34, no. 1 (December 30, 2014): 21–27. Accessed April 16, 2026. https://nijotech.com/index.php/nijotech/article/view/887.