(3JYeje Qbe (B23/(3e(B/97 (3JaGUjd eMJhi efgL eGOI GdQjGVjGJ YQHj(B-(3aQfSj(B-(3GfcdjRj (B/s - (3GdeQcR GdJHhj ddHMhK hGdGfeGA s ((3HjQhJs (3eWHYI UGOQs, 1997)
(3YfhGf GdZdGa(B: (3JMOjO efGgL GdJYdje GdYGe eG bHd GdLGeYj h CgOGagG aj QGS UaMI GdYfhGf(B: (3GdLeghQjI GddHfGfjIs
Keywords: (3GdefGgL (B-- (3eGOI GdQjGVjGJ (B-- (3YQHj (B-- (3dHfGfs; (3GdefGgL (B-- (3eGOI GdQjGVjGJ (B-- (3aQfSj (B-- (3dHfGfs; (3GdefGgL (B-- (3eGOI GdQjGVjGJ (B-- (3EfcdjRj (B-- (3dHfGfs; (3GdefGgL (B-- (3dHfGfs