@article{Smits2009,
author = {Smits, J. and Park, H.},
title= {Five Decades of Educational Assortative Mating in 10 East Asian Societies},
year = {2009},
doi = {10.1353/sof.0.0241},
journal = {Social Forces},
volume = {88},
number = {1},
pages = {227−255},
}