The Metrics of Material and Metal Ecology M. A. Reuter, U. M. J. Boin, A van Schaik E-Book (pdf)

Treatment and Management of Maladaptive Schemas Eric A. Kreuter, Kenneth M. Moltner E-Book (pdf)

Practical Tools for Designing and Weighting Survey Samples Richard Valliant, Jill A. Dever, Frauke Kreuter E-Book (pdf)