MUHAMMAD YAR KHUHAWAR; ROSHAN ALI GILAL; FAQEER MAHBOOB ALI RIND; ABDUL HAKEEM MEMON; MUHAMMAD USMAN MEMON(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-04-09)
ABDUL HAMID CHANNAR; KHALIDA PARVEEN MAHAR; MUHAMMAD YAR KHUHAWAR; SUBHAN MAJIDANO; MUHAMMAD SALEEM KHAN(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-04-05)