(3GdMhGQ GdeajO Hjf GdeDda h GdYfhGf h GdfGTQ (B/ s - (3TQja, eMeO YHO GdLhGOs ((3GdefUhQjI (B:s (3ecJHI GdGjeGf,s, 1998)
Keywords: (3Yde GdecJHGJs; (3GdJRhjOs; (3agGQS GdfGTQjfs; (3fGTGhf UZGQ (B(10-14) (3Sfgs