@article{Park2008,
author = {Park, H.},
title= {Public policy and the effect of sibship size on educational achievement: A comparative study of 20 countries},
year = {2008},
doi = {10.1016/j.ssresearch.2008.03.002},
journal = {Social Science Research},
volume = {37},
number = {3},
pages = {874--887},
}