Arithmetic: its structure and concepts.
Mueller, Francis J.
Arithmetic: its structure and concepts. - Englewood Cliffs, N.J., Prentice-Hall, 1956. - 279 p. illus. 24 cm.
56007688
GB56-6764
Arithmetic--Study and teaching.
QA135 / .M74
511.07
Arithmetic: its structure and concepts. - Englewood Cliffs, N.J., Prentice-Hall, 1956. - 279 p. illus. 24 cm.
56007688
GB56-6764
Arithmetic--Study and teaching.
QA135 / .M74
511.07