1. Division of Inorganic Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
2. Institute of Botany, Bahauddin Zakariya University, Multan, Pakistan
3. Department of Chemistry, University of Science and Technology Bannu, Bannu, Pakistan
4. Department of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Pakistan