(3hMOI GdJfhY hMVGQI YQHjI GSdGejI ai YGde eJQGHW (B/s - (3GMeO UObi GdOLGfi s ([S.N] : (3OGQ GdeSjQI ddfTQ hGdJhRjY hGdWHGYI , s, 1990)
Keywords: (3GdMVGQI GdYQHjI GdGSdGejI (B- (3GdeYGQa GdHMQjIs; (3GdGSdGe hGdYdGbGJ GdNGQLjIs; (3GdOhd GdYQHjIs