Introduction to high school mathematics /
Brown, Kenneth.
Introduction to high school mathematics / Kenneth E. Brown, Daniel W. Snader and Leonard Simon. - River Forest, Ill. : Laidlaw Brothers Inc., 1970. - 512 p. : ill. (some col.).
88900789
Mathematics.
Mathematics--Study and teaching (Secondary).
Introduction to high school mathematics / Kenneth E. Brown, Daniel W. Snader and Leonard Simon. - River Forest, Ill. : Laidlaw Brothers Inc., 1970. - 512 p. : ill. (some col.).
88900789
Mathematics.
Mathematics--Study and teaching (Secondary).