“…Another group of writers focusing on distinctive aspects of the theory such as philosophy, cognition and social autopoiesis, have sought to engage in theoretical debate, to connect with other literatures, and to delve into and debate various controversies (see, for example, Luhmann, 1986Luhmann, , 1990Berman, 1989;Mingers, 1990Mingers, , 1991Mingers, , 1992aMingers, ,b, 1996aMingers, ,b, 1997Birch, 1991;Robb, 1991;Zeleny and Hufford, 1992;Kay, 2003). From time to time these debates have concluded with a negative assessment being made about the overall value of Maturana and Varela's work.…”