(3Odjd JOQjS GdYdhe aj GdJYdje GdYGdj (B/s - (3GdeQcR GdYQHj ddHMhK GdJQHhjI dOhd GdNdjL(B.s ([(3GdchjJ(B] :s (3ecJH GdJQHjI GdYQHi dOhd GdNdjL(B:s, 2001)
Keywords: (3GdYdhes -- (3JYdje h JOQjSs -- (3COdIs -- (3Ohd GdNdjL GdYQHjI(B.s