(3ehShYI GdYde hGdJcfhdhLjG GdejSQI (B- ( 16 ) : (3bjGOI GdbWGQ s - (3SYO GdOjf(B. (3YUGes ((3OGQ GdcJGH GdeUQjs (3GdbGgQIs, 1992)
Keywords: (3GdYdhe GdJWHjbjIs; (3ehShYGJ GdbWGQ (B- (3bjGOI s