(3deGPG ddcfZQ LQGH h ZjQgG ef GdCSFdI Yf UZGQ GdMjhGfGJ (B/ s - (3hhO, Ljfjs; (3SeGMI, fGJGdjs ((3HjQhJ (B:s (3GdOGQ GdYQHjI ddYdhe,s, 1997)
Keywords: (3GdMjhGfGJs; (3GdcfZQs; (3GWaGd eQMdI eJhSWI (B(6-9) (3SfhGJs