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N1  - Unpublished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