R. Howell
发表
R. Howell,
1996
.
R. Howell,
1990
.
The Effects of “Instant” Logo Computing Language on the Cognitive Development of Very Young Children
Jeff Diamond,
R. Howell,
P. Scott,
1987
.
Joe E. Wheaton,
R. Howell,
P. Flowers,
1995
.
Joe E. Wheaton,
Karen Erickson,
Richard D. Howell,
2000
.
Carol Stanger,
Richard D. Howell,
Richard D. Howell,
1996
.