30470document17252Decl_IS_Najjuma11PhD.pdfapplication/pdf1cb522f3f5a1e7a0c43eb84f35ddd1bcMD52307022011-12-02 11:53:26http://etheses.bham.ac.uk//id/eprint/3083/2/Decl_IS_Najjuma11PhD.pdf