(3cJGH ai UaI UGMH GdPhb GdSdje heSdhH GdPhb GddFje (B/ s - (3GdSjhWi (B: (3LdGd GdOjf GHhGdaVd YHOGdQMef Hf GHi HcQ Hf eMeO GdNVjQis ([S.N] : (3OGQ GHf MRe , s, 1990)
Keywords: (3GdGNdGb GdGSdGejIs; (3GOGH GdSdhcs; (3GdGOGH GdGLJeGYjIs; (3GdGNdGb GdGLJeGYjIs