(3GdScGf hGdYeQGf GdMVQi(B:(3HMhK JWHjbjI ai HYV GdGbWGQ GdYQHjI (B/ s - (3aJMi eMeO GHhYjGfIs ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1987)
Keywords: (3GdOhd GdYQHjIs; (3GdLZQGajGs; (3GdScGfs; (3GdGMUGFjGJs