Kurniawan S D, Tarkono ., Supriadi H. Utilization Of Fiber And Shell Particles Palm Oil As Substitute Materials In Producing Eternite Ceiling. J. FEMA [Internet]. 2013Jul.10 [cited 2025Nov.29];1(3). Available from: https://journal.eng.unila.ac.id/index.php/fema/article/view/62