@techreport{Song2020,
author = {Song, X. and Coleman, T.S.},
title= {Using administrative big data to solve problems in social science and policy research},
year = {2020},
URL = {https://repository.upenn.edu/psc_publications/58/},
publisher = {University of Pennsylvania Population Studies Center},
address = {Philadelphia, PA},
institution = {University of Pennsylvania Population Studies Center Working Paper (PSC/PARC), 2020–58},
}