3 1 50 Karlof, Bengt Primary Author mixed material 0471941808 Chichester John Wiley & Sons 1993 improving performance through organizational efficiency Karlof, Bengt Primary Author Gilderson, Alan J. Additional Author mixed material 0471939897 Chichester John Wiley & Sons 1993 9780471939894.jpg.jpg Karlof, Bengt Primary Author mixed material 0470842008 Chichester John Wiley & Sons 2001 Benchlearning_-_9780470842003.jpg.jpg