@article{Park2005,
author = {Park, H. and Smits, J. },
title= {Educational assortative mating in South Korea: Trends 1930-1980},
year = {2005},
doi = {10.3946/kjme.2005.17.2.185},
journal = {Research in Social Stratification and Mobility },
volume = {23},
pages = {103--127},
}