Community Colleges As Economic EnginesKjell A. Christophersen, Debbie L. Sydow, Kate Thirolf, Richard L. Alfred · First published 2019Open the Tome
An economic approach to arid forest project designKjell A. Christophersen · First published 1988Open the Tome
Democracy , Ideology and ObjectivityArne Naess, Jens A. Christophersen, Kjell Kvalo · First published 1956Open the Tome
