A. C. Kumoro, A. Damayanti, Z. A. Shiddieqy Bahlawan, M. Melina, and H. Puspawati, “Bioethanol Production from Oil Palm Empty Fruit Bunches Using Saccharomyces cerevisiae Immobilized on Sodium Alginate Beads”, Period. Polytech. Chem. Eng., vol. 65, no. 4, pp. 493–504, Jan. 2021.