Dubinsky, E., Schoenfeld, A. H., & Kaput, J. (1994). Research in collegiate mathematics education.I. American Mathematical Society; Mathematical Association of America.
Dyfyniad Arddull ChicagoDubinsky, Ed, Alan H. Schoenfeld, and Jim Kaput. Research in Collegiate Mathematics Education.I. Rhode Island, USA: American Mathematical Society; Mathematical Association of America, 1994.
Dyfyniad MLADubinsky, Ed, et al. Research in Collegiate Mathematics Education.I. American Mathematical Society; Mathematical Association of America, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.