(3eLdI GdHMhK GdabgjI GdeYGUQI(B.s (3jfGjQ (B- (3aHQGjQ (B- (3eGQS (B1997 /s ((3GdSYhOjI (B:s (3eDSSI GdHMhK hGdOQGSGJ GdabgjI hYdhe GdbQBf GdcQje GdhbajI,s, 1997)
(3QSGdI aj abg GdUjGe (B/s (3O(B. (3YHOGdQMef Hf MSf GdfajSI(B.s
(3eLdI YdejI aUdjI eMceI eJNUUI aj Gdabg GdESdGej(B.s
(3GdSfI GdKGefI(B: (3GdYOO GdKGfj hGdKdGKhf(B.s
Keywords: (3GdTQjYI GdESdGejIs -- (3OhQjGJs