Disruptive ProcurementMichael F. Strohmer, Stephen Easton, Martin Eisenhut, Elouise Epstein, Robert Kromoser, Erik R. Peterson, Enrico Rizzon · First published 2020Open the Tome
EinkaufsschachbrettChristian Schuh, Robert Kromoser, Michael Strohmer, Ramon Romero Pérez, Alenka Triplat · First published 2011Open the Tome
Agile EinkaufChristian Schuh, Robert Kromoser, Michael Strohmer, Ramon Romero Pérez, Alenka Triplat · First published 2010Open the Tome
