ZUKHRI, Muhammad Fakhrudin; HAMZAH, Afan; ANAM, Muhamad Khoirul. Optimization of Bioethanol Production From Chlorella Vulgaris With Ca2+,Mg2+, and Zn2+ Ion Suplements Through Separated Hydrolysis and Fermentation Using Respon Surface Methodology. IPTEK The Journal of Engineering, [S. l.], v. 11, n. 1, p. 70–80, 2025. Disponível em: https://journal.its.ac.id/index.php/joe/article/view/8273. Acesso em: 28 jan. 2026.