TY  - BOOK
AU  - Sachar,Jane
ED  - Research and Development Corporation, 
TI  - Solution methods on algebra problems with simultaneous equations
T2  - The Rand paper series
PY  - 1981///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Algebra
KW  - Study and teaching.
KW  - Equations, Simultaneous.
KW  - Problem solving.
N1  - Includes bibliographical references: page 23
ER  -