(3GdbGfhf GdEOGQjs (3GdLRA GdChd ,s (3CUhd GdfXGe GdEOGQj hJfXje GdEOGQI GdYGeI (B/s - (3aDGO GdYWGQs ([(3GdecGf ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] (3,s, 1977)
. 640-637 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdbGfhf GdEOGQjs