Secondary mathematics
Fehr, Howard F.
Secondary mathematics a functional approach for teachers. - Boston Heath [1951] - xi, 431 p. diagrs. 23 cm.
Includes bibliographies.
51010518 //r86
Mathematics
QA37 / .F35
510
Secondary mathematics a functional approach for teachers. - Boston Heath [1951] - xi, 431 p. diagrs. 23 cm.
Includes bibliographies.
51010518 //r86
Mathematics
QA37 / .F35
510