REFERENCES
- B. R. Bugelski, The Psychology of Learning, New York: Holt, Rinehart & Winston, 1956.
- Donald R. Horner, Before College Algebra, Belmont, Calif.: Wadsworth Publishing Company, 1973.
- Donald R. Horner, Algebraic Elementary Functions and Relations, New York: Holt, Rinehart & Winston, 1971.
- Donald R. Horner, Trigonometry: A Study of Certain Real Functions, New York: Holt, Rinehart & Winston, 1968.
- Donald R. Horner, Precalculus: Elementary Functions and Relations, New York: Holt, Rinehart & Winston, 1969.
- Donald R. Horner, Survey of College Mathematics, 2nd ed., San Francisco: Rinehart Press, 1973.
- June P. Wood, “‘Sample’ Tests for Sample Students,” Two-Year College Mathematics Journal, Vol. 3, No. 1 (Spring 1972), 14–15.