TY  - BOOK
AU  - Southwell,Beth
ED  - Mathematics Education Research Group of Australia.
TI  - A preliminary report on the development of the operator construct of rational number in Papua New Guinea
PY  - 1980///]
KW  - Mathematics
KW  - Study and teaching
KW  - Papua New Guinea
KW  - Mathematical ability
KW  - Testing
KW  - Numbers, Rational
N1  - Photocopy from : Papers presented to the 4th Annual Conference of the Mathematics Education Research Group of Australia, 1980
ER  -