(3ef hXGFa GdUhJ GddZhj (B: s (3eMGhdI dage UQaj h fMhj h OdGdj (B/ s - (3cTc, CMeOs (1983)
Keywords: (3GddZI GdYQHjI(B.s; (3GdUhJjGJs; (3Yde GdOdGdI(B.s; (3bhGYO GddZI(B.s