Ayarkwa, J. 2004. Determination of bending modulus of elasticity of<i> Pterygota macrocarpa </i>K. Schum (Kyere) and<i> Piptadeniastrum africanum</i> (Dahoma) using two International testing norms. Journal of the Ghana Science Association. 1, 3 (May 2004), 126–132. DOI:https://doi.org/10.4314/jgsa.v1i3.17829.