(3GdJHjGf ai GbSGe GdbQGf (B/ s - (3GHf bje GdLhRjI(B: (3TeS GdOjf GHh YHOGddg eMeO Hf GHi HcQs ((3HjQhJ (B: s (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1982)
Keywords: (3Ydhe GdbQGfs; (3GdbQGf (B- (3HOjYs