.Suhardi, .Tranggono, and Amanda Hardiyani SN. 2010. “Synthesis of Xylitol-Polyester from Palm Fatty Acid Distillate(PFAD)”. Jurnal Teknologi Dan Industri Pangan 14 (1), 68. https://journal.ipb.ac.id/index.php/jtip/article/view/640.