1. Javed Iqbal:
Chemistry Department, Islamia University, Bahawalpur, Pakistan
2. M. Ihsanullah:
Chemistry Department, Islamia University, Bahawalpur, Pakistan
3. M. L. Mirza:
Chemistry Department, Islamia University, Bahawalpur, Pakistan
4. Bashir A. Nisar:
Institute of Chemistry, University of Punjab, Lahore, Pakistan