(3ehShYI GdYde hGdJcfhdhLjG GdejSQI (B( 12 ) : (3bjGOI GdSajfIs - (3SYOGdOjf(B. (3YUGes ((3OGQ GdcJGH GdeUQjs (3GdbGgQIs, 1991)
Keywords: (3GdSajfI GdSajfI (B- (3JcfhdhLjGs; (3GdSajfI (B- (3bjGOI s