Non abbiamo ancora una biografia di Robert D. Hackworth.
Pubblicato in Inglese
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Math anxiety reduction
1992
Programmed arithmetic
Introductory college mathematics
1976
Focus on college algebra
1994
Programmed College Algebra
1986
Mathematical systems
1969
Interactive trigonometry
1999
interactive arithmetic
1997
Interactive Arithmetic
2001
Focus on intermediate algebra
1993
Focus on developmental mathematics
1989
Elementary algebra
1971
Algebra Programmed
1987
Otium
