(3fehPL YQHj ddQYGjI GddGMbI ddCMOGK aj GdhWf GdYQHj (B/s - (3YHO GdUeO, YHO GdaJGM YKeGfs ((3GdQjGV (B:s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1987)
(3HHdjhLQGajI (B: (3UaMI (B133-137.s
Keywords: (3LfGM GdCMOGKs -- (3GdHdGO GdYQHjIs; (3GdCMOGKs -- (3QYGjI hYdGLs -- (3GdHdGO GdYQHjIs