(3RgQI GdNeGFd Ydi GdTeGFd (B: s (3ChUGa GdfHj Udi Gddg Ydjg h Sde (B/ s - (3GdSjhWj, LdGd GdOjf CHh GdaVd YHO GdQMefs; (3YGThQ, eUWais ((3GdbGgQg (B:s (3ecJHI GdbQBf ddWHGYI h GdfTQ h GdJhRjY,s, 1988)
Keywords: (3GdESdGes; (3GdMOjK GdTQjas; (3GdSjQI GdfHhjIs