AAlgebra, first [-second] courseAlgebra, first [-second] coursede Howard F. FehrMateriasProblems, exercisesAlgebraEdiciones (2)Algebra, first [-second] course (1962)HeathAlgebra, first [-second] course. (1962)Heath · inglésMás obras de Howard F. FehrNNew thinking in school mathematicsNew thinking in school mathematicsTTeaching high school mathematics. --Teaching high school mathematics. --1960Algebra
