YOUSUF IQBAL; SULTAN ALAM; SHOMAILA SABIR; M. ISHAQ; NISAR AHMAD(Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2000-12-01)
YOUSAF IQBAL; SULTAN ALAM; MOHAMMAD ISHAQ(Karachi: International Centre for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 2000-12-07)