(3ef CUhd YbjOI Cgd GdSfI hGdLeGYI (B/s - (3GdahRGf, UGdM Hf ahRGf Hf YHO Gddg,s 1363 (3gLQj(B-s ((3GdQjGV (B:s (3hRGQI GdTDhf GdESdGejI hGdChbGa hGdOYhI hGdEQTGO,s, 1998)
Keywords: (3Yde GdcdGes