(3GdbQBf GdcQje(B/s ((3OeTb(B:s (3OGQ Gdcde GdWjH,s, 1983)
(3aj fgGjJg OYGA NJe GdbQBf GdcQje(B.s
Keywords: (3GdbQBfs -- (3JaSjQs; (3GdhYX hGdEQTGOs