Research Article
Sewage Sludge as a Renewable Resource for Citric Acid Production: Optimization of Supplementary Nutrients
Department of Biotechnology Engineering, Faculty of Engineering, Bioenvironmental Engineering Research Unit, International Islamic University Malaysia, Kuala Lumpur, Malaysia
Md. Zahangir Alam
Department of Biotechnology Engineering, Faculty of Engineering, Bioenvironmental Engineering Research Unit, International Islamic University Malaysia, Kuala Lumpur, Malaysia
Mohd Ismail Abd Karim
Department of Biotechnology Engineering, Faculty of Engineering, Bioenvironmental Engineering Research Unit, International Islamic University Malaysia, Kuala Lumpur, Malaysia