(3TQM CMcGe GGdVQjHI GdehMOI Ydi ONd GdCTNGU GdWHjYjjf (B:s (3h GdVQjHI Ydi GQHGM TQcGJ GdGehGd (B((3bGfhf Qbe (B187 (3dSfI (B1993) (3OQGSI ebGQfI HGdacQ GdGSdGei (B/s - (3GdSjO YWjI YHO GdhGMOs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1995)
(3jTJed Ydi LOGhd (B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s; (3VQGFH GdONd s; (3VQGFH GdGQHGMs