Sebastian, S. B., H. Sukma, and A. R. Tatak. “PENGEMBANGAN KOMPOSIT MATRIKS POLIMER BERPENGUAT SERAT SERABUT KELAPA”. Jurnal Mekanikal , Vol. 15, no. 1, Aug. 2020, pp. 1-5, https://journal.univpancasila.ac.id/index.php/mekanikal/article/view/2291.