Analisis Sifat Kuat Tarik Komposit Serat Kulit Kayu Waru dan Fiber Glass Bermatrik Polyester. jse [Internet]. 2026 Jun. 30 [cited 2026 Aug. 27];11(3). Available from: http://jse.serambimekkah.id/index.php/jse/article/view/1763