(3cJGH aMhdI GdTYQGA (B/ s - (3GdSLSJGfj, CHh MGJe Sgd Hf eMeO Hfs; (3CMeO, eMeO YHO GdbGOQs ((3GdbGgQI (B:s (3ecJHI GdfgVI GdeUQjI,s, 1991)
Keywords: (3GdTYQGAs; (3GdJQGLes; (3GdTYQ GdYQHjs; (3GdYQHs