(3bGfhf JCLjQ hHjY GdCeGcf hJfXje GdYdGbI Hjf GdeGdc hGdeSJCLQ (B:s (3GdbGfhf Qbe (B49 (3dSfI (B1977 (3hdGFMJI GdJfajPjI hGdbGfhf Qbe (B136 (3dSfI (B1981 (3hdGFMJI GdJfajPjI hGdfXGe GdfehPLj dGJMGO GdedGc(B/s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1994)
Keywords: (3JTQjYGJ hbhGfjfs; (3GdeGdc hGdeSJCLQ(B.s