1. Department of Botany, University of Buner, Swari, Pakistan
2. School of Chemistry and Chemical Engineering, Queen’s University Belfast, Belfast, Northern Ireland, UK
3. Department of Wood, Pulp and Paper, Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Bratislava, Slovakia
4. Chemical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia
5. Department of Chemistry, Indus University, Ahmedabad, Gujarat, India