(1989). Validating the Concrete to Abstract Instructional Sequence for Teaching Place Value to Learning Disabled Students. Monograph #20 Susan K. Peterson and Others. [microform].
Chicago-Zitierstil (17. Ausg.)Validating the Concrete to Abstract Instructional Sequence for Teaching Place Value to Learning Disabled Students. Monograph #20 Susan K. Peterson and Others. [microform]. 1989.
MLA-Zitierstil (9. Ausg.)Validating the Concrete to Abstract Instructional Sequence for Teaching Place Value to Learning Disabled Students. Monograph #20 Susan K. Peterson and Others. [microform]. 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.