Extending understandings of mathematics /
[by] Roger Osborn [and others].
APA Citation
Osborn, R. (1969). Extending understandings of mathematics. Columbus, Ohio: C. E. Merrill.
MLA Citation
Osborn, Roger. Extending Understandings of Mathematics. Columbus, Ohio: C. E. Merrill, 1969.
Warning: These citations may not always be complete (especially for serials).