CHARACTERISATION AND GRADING OF THREE SELECTED TIMBER SPECIES GROWN IN KWARA STATE NIGERIA ACCORDING TO EN 338 (2009) FOR STRUCTURAL USE. Nigerian Journal of Technology, [S. l.], v. 37, n. 2, p. 322–329, 2018. DOI: 10.4314/njt.372.1662. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/1662. Acesso em: 19 apr. 2026.