1. Centre for Inorganic Chemistry, School of Chemistry, University of the Punjab, Lahore, Pakistan
2. Department of Chemistry, University of Engineering and Technology, Lahore, Pakistan
3. Centre for Analytical Chemistry, School of Chemistry, University of the Punjab, Lahore, Pakistan
4. Institute of Geology, University of the Punjab, Lahore, Pakistan
5. Department of Chemistry, College of Science, Taif University, Taif, Saudi Arabia
6. Department of Chemistry, University of Pitesti, Pitesti, Romania