Habibah, Firstyarikha, Samuel Kusuma, and Nanik Wijayati. “PRODUKSI SUBSTRAT FERMENTASI BIOETANOL DARI ALGA MERAH Gracilaria Verrucosa”. Indonesian Journal of Chemical Science 5, no. 1 (May 1, 2016). Accessed December 5, 2025. https://journal.unnes.ac.id/sju/ijcs/article/view/9164.