Teachers' edition to accompany Mathematics in our world
by Robert E. Eicholz, Charles R. Fleenor, Phares G. O'Daffer
MathematicsTextbooksArithmetic
Writing a summary for young readers…
For young readers
Book data: Open Library
by Robert E. Eicholz, Charles R. Fleenor, Phares G. O'Daffer
Book data: Open Library