Ibrahim M, Sapuan S, Faieza A. Mechanical and Thermal Properties of Composites from Unsaturated Polyester Filled with Oil Palm Ash. J. Mech. Eng. Sci. [Internet]. 2012 Jun. 30 [cited 2024 Jul. 22];2(1):133-47. Available from: https://journal.ump.edu.my/jmes/article/view/7976