(3GSHGH GdfRhd (B/ s - (3GdfjSGHhQi , GHj GdMSf Ydj Hf GMeO GdhGMOjs; (3GdefTGhj , YHOGddg s ((3GdbGgQI (B[(3eUQ(B] : s (3OGQ GdefGQ , s, 2001)
Keywords: (3GdbQGf s -- (3GSHGH GdfRhd s