Mathematics for the elementary school grade 4 Leslie Beatty ... [et al].

Mathematics for the elementary school grade 4

Manylion Llyfryddiaeth
Prif Awdur: School Mathematics Study Group
Awduron Eraill: Beatty, Leslie
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New Haven Yale University Press c1962.
Rhifyn:rev. ed.
Pynciau:
Mathemtatics > Study and teaching (elementary)