Κανονική προβολή Προβολή MARC Προβολή ISBD

Hartung, Maurice L.

Seeing through arithmetic : workbook edition / by Maurice L. Hartung...[et.al.] - Illinois , Scott, Foresman 1968. - 4 v. : ill. ; 24 cm.

Subjects--Topical Terms:
Arithmetic--Study and teaching (Elementary)

Dewey Class. No.: 372.7