Optimizing of pharmaceutical active compounds biodegradability in secondary effluents by β-lactamase from Bacillus subtilis using central composite design

• Adel Ali Saeed Al-GheethiTun Hussein Onn University of Malaysia
• Efaq Ali NomanTaiz University
• Radin Maya Saphira Radin MohamedTun Hussein Onn University of Malaysia
• Norli IsmailUniversiti Sains Malaysia
• Abd Halid AbdullahTun Hussein Onn University of Malaysia
• Amir Hashim Mohd KassimTun Hussein Onn University of Malaysia