(3JMdjd GdghGWd GdeWQjI deMWGJ GdHGOjI GdCQOfjI (B/ s - (3GdCfUGQj, fXjQs; (3SdGeI, GdjGSs; (3GdYeQj, MSGfs ((3GdeaQb (B:s (3efThQGJ LGeYI Bd GdHjJ,s, 1999)
Keywords: (3GdehGQO GdeGFjIs; (3Ydhe GdWHjYIs; (3GdCQOfs