MAHMOOD AHMAD; MUHAMMAD USMAN; ASADULLAH MADNI; NAVEED AKHTAR; NAYAB KHALID; WAHEED ASGHAR; SATTAR BAKHSH(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-02-20)
MUHAMMAD NAEEM AAMIR; MAHMOOD AHMAD; NAVEED AKHTAR; GHULAM MURTAZA; MUHAMMAD ASADULLAH(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-04-10)