1. M. I. Pathan:
Dep. Chem. Engng, Mehran Univ. Engng. Tech, Jamshoro, Sindh, Pakistan
2. N. A. Shaikh:
Dep. Chem. Engng, Mehran Univ. Engng. Tech, Jamshoro, Sindh, Pakistan
3. Zeeshan Nawaz:
Dep. Chem. Engng, Mehran Univ. Engng. Tech, Jamshoro, Sindh, Pakistan