CChallenge, a program for the mathematically talented, gradesChallenge, a program for the mathematically talented, grades 3-6de Vincent H. HaagMateriasMathematicsEducationStudy and teaching (Elementary)Gifted childrenEdiciones (1)Challenge, a program for the mathematically talented, grades 3-6 (1900)Addison-Wesley Pub. Co. · inglésMás obras de Vincent H. HaagEElementary geometry
