. (3GdHQdeGfs (3GdOjebQGWjI aj dHfGf efP (B1861s - . (3GHh aGVd, gfQjs; Henry Abou Fadel ([.(3O(B.(3e(B] ,s (3efThQGJ GdMQas, 1985)
* (3eQGLY aj BNQ GdcJGHs
Keywords: (3dHfGfs -- (3GdeLdS GdfjGHj(B-(3GfJNGHGJs; (3GdGfJNGHGJs -- (3dHfGfs