1. Chemical Engineering Department, College of Engineering, Pamantasan ng Lungsod ng Maynila, Gen. Luna Corner Muralla St., Manila 1002, Philippines
2. Chemical Engineering Department, Gokongwei College of Engineering, De La Salle University, 2401 Taft Avenue, Manila 0922, Philippines
3. Chemical Engineering Department, College of Engineering, Adamson University, 900 San Marcelino St., Ermita, Manila 1000, Philippines