EICHOLZ, Robert E. Fleenor, Charles R. O'Daffer, Phares G.
Investigating school mathematics /[by] Robert E.Eicholz, Phares G.O'Daffer, Charles R.Fleenor - 2nd ed. - Menlo park Addison-Wesley pub. 1976 - 377 p.
Appendixes: p.A 1-A 34.
201095602
Distance education
371.351 / EIC
Investigating school mathematics /[by] Robert E.Eicholz, Phares G.O'Daffer, Charles R.Fleenor - 2nd ed. - Menlo park Addison-Wesley pub. 1976 - 377 p.
Appendixes: p.A 1-A 34.
201095602
Distance education
371.351 / EIC