(3GdMceI aj GdOYhI Edi Gddg JYGdi (B/s - (3GdbMWGfj, SYjO Hf Ydj Hf hgas 1372 (3gLQj(B-s ((3GdQjGV(B:s (3eDSSI GdLQjSj ddJhRjY,s, 1997)
Keywords: (3GdOYhI GdESdGejIs; (3GdhYX hGdEQTGOs