Vondracek, Fred W A Living Systems Theory of Vocational Behavior and Development [electronic resource] / by Fred W. Vondracek, Donald H. Ford, Erik J. Porfeli. - Rotterdam : SensePublishers : Imprint: SensePublishers, 2014. - 1 online resource (XVI, 140 p.) ISBN: 9789462096622 Subjects--Topical Terms: Education.