Introduction to instrumental variables and their application to large-scale assessment data
Crossref DOI link: https://doi.org/10.1186/s40536-016-0018-2
Published Online: 2016-02-24
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Pokropek, Artur
License valid from 2016-02-24