TY  - JOUR
TI  - Analysis of Covariance with Qualitative Data
AU  - Gary Chamberlain
JO  - The Review of Economic Studies
PY  - 1980
VL  - 47
IS  - 1
DO  - 10.2307/2297110
UR  - https://doi.org/10.2307/2297110
ER  -