TY  - BOOK
AU  - Piyavadee Wongyai
TI  - An investigation of two methods of instruction in solving standard textbook word problems at the second-grade level (pratom 2) in Thailand
PY  - 1981///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Problem solving
N1  - Thesis (Ph.D.)-Indiana University, 1980
ER  -