Kurniawan S, Dwi, . Tarkono, and Harnowo Supriadi. “Utilization Of Fiber And Shell Particles Palm Oil As Substitute Materials In Producing Eternite Ceiling”. Jurnal Ilmiah Teknik Mesin 1, no. 3 (July 10, 2013). Accessed October 15, 2025. http://journal.eng.unila.ac.id/index.php/fema/article/view/62.