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              Witte, Erich H., &Feldhusen, Frauke R.: Can PROMOD Prevent the Escalation of Commitment? The Effect of a Group Facilitation Technique on an Investment Decision
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              Witte, Erich H., &Feldhusen, Frauke R.: Can PROMOD Prevent the Escalation of Commitment? The Effect of a Group Facilitation Technique on an Investment Decision HAFOS Nr.
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              Witte, Erich H., &Feldhusen, Frauke R.: Can PROMOD Prevent the Escalation of Commitment? The Effect of a Group Facilitation Technique on an Investment Decision HAFOS Nr. 76
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