(3efgL GdReNTQj aj JaSjQ GdbQBf GdcQje (B/ s - (3GdLhjfj, eUWai GdUGhjs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1984)
Keywords: (3JaSjQ GdbQBf(B.s; (3GYLGR GdbQBf(B.s