Abstract
Get full access to this article
View all access options for this article.
References
1.
Clark
B.
(1986 ). Optimizing learning.
Columbus, OH : Merrill.
2.
Mortensen
V.F.
Mortensen Math. P.O. Box 98, Hayden Lake, ID 83835.
3.Educational Teaching Aids . VersaTiles . 199 Carpenter Avenue, Wheeling, IL 60090.
4.
Learning Wrap Ups, Inc.
Learning Wrap Ups . 2122 E. 6550 South Ogden, UT 84405.