U.N. WILSON, J.E. SANI, J.A. SADIQ, M.T. ABDULWAHAB, P. ABUBAKAR, R.O. RAHMON; U.N. WILSON, J.E. SANI, J.A. SADIQ, M.T. ABDULWAHAB, P. ABUBAKAR, R.O. RAHMON. Investigating the Effect of Flexural Strength of I and Box African Birch Built-up Beam on Nail Spacing. NIPES - Journal of Science and Technology Research, [S. l.], v. 4, n. 4, 2022. DOI: 10.5281/zenodo.7486333. Disponível em: https://journals.nipes.org/index.php/njstr/article/view/407. Acesso em: 20 sep. 2024.