“Analisis Sifat Kuat Tarik Komposit Serat Kulit Kayu Waru Dan Fiber Glass Bermatrik Polyester”. Jurnal Serambi Engineering 11, no. 3 (June 30, 2026). Accessed August 28, 2026. http://jse.serambimekkah.id/index.php/jse/article/view/1763.