TY  - RPRT
TI  - Gender differences in mathematics performance: a meta-analysis.
AU  - J S Hyde
AU  - E Fennema
AU  - S J Lamon
PY  - 1990
DO  - 10.1037/0033-2909.107.2.139
UR  - https://pubmed.ncbi.nlm.nih.gov/2138794/
ID  - 2138794
ER  -