The management theory jungle is still with us... Perhaps the most effective way [out of the jungle] would be for leading managers to take a more active role in narrowing the widening gap... between professional practice and our college and university business [schools].

p. 186 ; as cited in Daniel A. Wren & Arthur G. Bedeian (2009). The evolution of management thought. p. 419-420 - "The Management Theory Jungle Revisited," 1980