U.N. Wilson, J.E. Sani, J.A. Sadiq, M.T. Abdulwahab, P. Abubakar, R.O. Rahmon, and U.N. Wilson, J.E. Sani, J.A. Sadiq, M.T. Abdulwahab, P. Abubakar, R.O. Rahmon. 2022. “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 4 (4). https://doi.org/10.5281/zenodo.7486333.