Study arithmetics
Subtitle: book 6 : teacher's guidebook
By: J.W. Studebaker, F.B. Knight, G.M. Ruch
Contributors: Knight, F. B.; Ruch, G. M. 1892-
Publisher: W.J. Gage
Published: 1951
Place of publication: Toronto
Language: eng
Number of pages: 95
Subjects: Arithmetic
Notes: OTC