(3NWW ehGLgI eTcdI GdeNOQGJ aj GdhWf GdYQHj (B/s - (3GdYSGa, YKeGf Hf YHO Gddg jMji s; (3GdWNjS, EHQGgje Hf YHO GdQMef s (1989)
(3CWQhMI (B((3eGLSJjQ(B)--(3LGeYI fGja GdYQHjI ddYdhe GdCefjI, cdjI GdOQGSGJ GdYdjG, bSe GdYdhe GdEOGQjI, (B.s
(3HHdjhLQGajI (B: (3U(B. 391-400.s
Keywords: (3ecGaMI GdeNOQGJ s -- (3GdHdGO GdYQHjIs -- (3CWQhMGJs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s