Isranuri I, Adan Silalahi J, Wirjosentono B, . W. Development of Drum Brake Pad Material Motorcycle Based Composite Hazelnut Shells, Aluminum and Pineapple Leaf Fibers with Polyurethane Matrix. IJET [Internet]. 2019 Jan. 24 [cited 2024 Nov. 24];8(1.1):6-12. Available from: https://sciencepubco.com/index.php/ijet/article/view/24774