(3HYV bVGjG ddeSJbHd (B: (3JCedGJ Mhd JMOjGJ GdYGde GdeYGUQ (B/ s - (3SejQ Gejfs ([S.N] : (3ecJHI eOHhdi , s, 1991)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdGMhGd GdGbJUGOjIs; (3GdYGdes