Dubinsky, E., Schoenfeld, A. H., & Kaput, J. (1994). Research in collegiate mathematics education.I. American Mathematical Society; Mathematical Association of America.
Lua i Stíl Chicago (17ú heag.)Dubinsky, Ed, Alan H. Schoenfeld, agus Jim Kaput. Research in Collegiate Mathematics Education.I. Rhode Island, USA: American Mathematical Society; Mathematical Association of America, 1994.
Lua MLA (9ú heag.)Dubinsky, Ed, et al. Research in Collegiate Mathematics Education.I. American Mathematical Society; Mathematical Association of America, 1994.
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