TY  - UNPB
TI  - How do Indonesian
elementary school
mathematics textbooks
introduce fractions
AV  - public
N1  - Unpublished
UR  - http://repository.uhamka.ac.id/id/eprint/17200/
ID  - repository17200
A1  - ishaq, nuriadin
PB  - journal of physics coference series
ER  -