Geometry: an investigative approach.
O'Daffer, Phares G.
Geometry: an investigative approach. - [1st ed.] - Menlo Park, Calif.: Addison-Wesley, 1977. - 445 p. - Innovative series . - Innovative series .
516
Geometry: an investigative approach. - [1st ed.] - Menlo Park, Calif.: Addison-Wesley, 1977. - 445 p. - Innovative series . - Innovative series .
516