Kathleen T. Drucker

PIRLS 2011 User Guide for the International Database. Supplement 4: PIRLS 2011 Sampling Stratification Information.

Pierre Foy, Kathleen T. Drucker, 2013 .

PIRLS 2011 Encyclopedia: Education Policy and Curriculum in Reading. Volume 2: L-Z and Benchmarking Participants.

Kathleen T. Drucker, I. Mullis, Michael O. Martin, 2012 .