Santiago, G. (2011). Tracing the roots and reasons of the common errors of students in college algebra. Saint Louis University Research Journal.
Dyfyniad Arddull ChicagoSantiago, George. "Tracing the Roots and Reasons of the Common Errors of Students in College Algebra." Saint Louis University Research Journal 2011.
Dyfyniad MLASantiago, George. "Tracing the Roots and Reasons of the Common Errors of Students in College Algebra." Saint Louis University Research Journal, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.