1. Zahida Parveen:
Pakistan Agricultural Research Council (PARC), Karachi University Campus, Karachi, Pakistan
2. S. Z. Masud:
Pakistan Agricultural Research Council (PARC), Karachi University Campus, Karachi, Pakistan
3. Irshad A. K. Afridi:
Chemistry Department, University of Karachi, Karachi, Pakistan
4. S. Z. Masub:
Chemistry Department, University of Karachi, Karachi, Pakistan