Kurniawan S, D., Tarkono, ., & Supriadi, H. (2013). Utilization Of Fiber And Shell Particles Palm Oil As Substitute Materials In Producing Eternite Ceiling. Jurnal Ilmiah Teknik Mesin FEMA, 1(3). Retrieved from https://journal.eng.unila.ac.id/index.php/fema/article/view/62