Investigation of Impact Strength Properties of Oil and Date Palm Frond Fiber Reinforced Polyester Composites. Int. J. Curr. Eng. Technol. [Internet]. 2013 Jun. 30 [cited 2026 Apr. 7];3(2):493-7. Available from: https://ijcet.evegenis.org/index.php/ijcet/article/view/243