المؤلفون: Upton, Clifford B. (Clifford Brewster), 1877-1957, Fuller, Kenneth G.

مصطلحات موضوعية: Arithmetic, QA106 .U583 1957

Relation: https://babel.hathitrust.org/cgi/pt?id=uiug.30112011438634

الاتاحة: https://babel.hathitrust.org/cgi/pt?id=uiug.30112011438634