ELECTRONIC	s c h o l a r dot g o o g l e dot c o m   w   w   w dot r e s e a r c h g a t e dot n e t t h e s e s dot g   l   a dot a c dot u k m o n t a z e r i	scholar.google.comwww.researchgate.nettheses.gla.ac.ukmontazeri	1