MUHAMMAD RAFI; KAZI QASIM MAHMOOD; MUHAMMAD TUFAIL; MUHAMMAD MANSHA CHAUDHRY; NASEEM IRFAN(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-10-20)
SARDAR ALI; MUHAMMAD MANSOOR KHAN; MUHAMMAD AZAM KHAN; MUHAMMAD TUFAIL; SADAF(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-10-20)