(3GdOQ GdefKhQ ai GdJaSjQ GdeGKhQ (B:s (3hgh eNJUQ JaSjQ JQLeGf GdbQGf (B/s - (3GdSjhWi (B: (3LdGd GdOjf GHhGdaVd YHOGdQMef Hf GHi HcQ Hf eMeO GdNVjQis ([S.N] : 2000 (3ddKbGaI hGdfTQ , s, 1990)
Keywords: (3GdbQGf (B- (3JaSjQs