Nasution, Fadlin Qisthi, Meta Rivani, Muhammad Ansori Nasution, Tjahjono Herawan, and Halimahtuddahliana. “Characterization and Mechanical Properties Analysis of Cellulose Ester Derived from Oil Palm Empty Fruit Bunch for 3D Printing Alternative Materials”. Jurnal Penelitian Kelapa Sawit 30, no. 1 (April 28, 2022): 49-58. Accessed April 20, 2024. https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/174.