TY  - BOOK
AU  - Praphai Chalardkid
TI  - Test development of mathematics subject matter knowledge levels of division of rational numbers of Thai preservice elementary teachers
PY  - 1994///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Mathematics teachers
KW  - Elementary school teachers
N1  - Thesis (Ph.D.) - Oregon State University, 1993
ER  -