(3GdGfWdGb eY GdHQfGeL cdjHQ (B/ s - (3eGcgjQhf (B, (3aGfSs; (3eQcR GdJYQjH hGdHQeLIs ([S.N] : (3GdOGQ GdYQHjI ddYdhe , s, 1992)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3cdjHQs