(3bhGYO GddZI GdYQHjI hGdHdGZI hGdYQhV(B: (3GdJYdje GdKGfhj GdSfI GdKGdKI aQY GdBOGH hGdGfSGfjGJs - (3GdeQcR GdJQHhj ddHMhK hGdGfeGAs; (3GdLeghQjI GddHfGfjI (B- (3hRGQI GdJQHjI GdhWfjI hGdTHGH hGdQjGVIs ((3Sf Gdajds (3GdeQcR GdJQHhj ddHMhK hGdGfeGAs, 2000)
Keywords: (3GdJQHjI hGdJYdje(B--(3bhGYO GddZI GdYQHjI(B-- (3GdJYdje GdKGfhj GdSfI GdKGdKI(B--(3aQY GdBOGH hGdGfSGfjGJs; (3GdJQHjI hGdJYdje(B--(3GdHdGZI hGdYQhV(B-- (3GdJYdje GdKGfhj GdSfI GdKGdKI(B--(3aQY GdBOGH hGdGfSGfjGJs