1. Mashooda Hasan:
Chemistry Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
2. M. Uppal Zubair:
Chemistry Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
3. Karamat. Ali:
Chemistry Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan