mal, Bas, Joko Sukarno, and Siswan to. “Analisis Sifat Mekanik Komposit Polyester Berpenguat Biride Partikel Arang Sekam Padi Dan Kalsit”. ReTII (March 9, 2017). Accessed June 4, 2026. https://journal.itny.ac.id/index.php/ReTII/article/view/495.