RUCH, G. M.
Algebra drill. No.1-25. By G. M. Ruch and F. B. Knight.
RUCH, G. M. Algebra drill. No.1-25. By G. M. Ruch and F. B. Knight. © 1May31; AA67639. Scott, Foresman & Co. (PWH); 19Jan59; R229789.
Scott, Foresman & Co.|PWH