(3Yde GdYbGbjQ h GdfHGJGJ GdWHjI (B/ s - (3MLGhj, ZSGfs; (3GdeSjej, MjGI MSjfs; (3bGSe, QhdG eMeO Lejds ((3YeGf (B:s (3ecJHI OGQ GdKbGaI,s, 1991)
Keywords: (3Yde GdUjOdIs; (3GdCOhjIs; (3GdfHGJGJ GdWHjIs