Undjung, Dosis. “The Pullulan Production From Substrate of Sagoo Starch By Pullularia Pullulans”. Jurnal Teknologi dan Industri Pangan 16, no. 1 (1): 82. Accessed November 28, 2023. https://jurnal.ipb.ac.id/index.php/jtip/article/view/476.