(3GdEQTGO GdfaSj hGdJhLjg GdJQHhj hGdegfj (B/s - (3eQSj, SjO YHO GdMejOs ((3GdbGgQI (B:s (3ecJHI GdNGfLj,s, 1975)
(3jTJed Ydi HHdjhLQGajI(B.s
Keywords: (3GdEQTGO GdfaSjs; (3GdJhLjg GdJQHhjs; (3GdJhLjg Gdegfjs