TY  - RPRT
TI  - Cognitive arithmetic across cultures.
AU  - J I Campbell
AU  - Q Xue
PY  - 2001
DO  - 10.1037//0096-3445.130.2.299
UR  - https://pubmed.ncbi.nlm.nih.gov/11409105/
ID  - 11409105
ER  -