(3GdbGfhf Qbe (B93 (3dSfI (B1983 (3HEfTGA fbGHI deMaXj hbQGA GdbQBf GdcQje hGdbGfhf Qbe (B45 (3dSfI (B1973 (3HEfTGA fbGHI Gdegf GdGLJeGYjI habkG dCMOK GdJYOjdGJ (B/s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1985)
Keywords: (3JTQjYGJ hbhGfjfs; (3Gdegf GdGLJeGYjI(B.s