Yuziah Mohd Yunus, Nor, Wan Mohd Nazri Wan Abdul Rahman, and Zulhilmi Razali. 2018. “Physical and Chemical Properties of 4 Years Petai Belalang (Leuca`ena Leucocephala) Wood”. International Journal of Engineering & Technology 7 (4.18): 252-55. https://doi.org/10.14419/ijet.v7i4.18.21929.