4Lucas, George, 1989, The Rehabilitation Of Whitehead: An Analytic And Historical Assessment Of Process Philosophy, State University of New York Press.
5Mellert, Robert B. , 1975, What is Process Theo/ogy,New York: Paulist Press.
6Treash, Gordon, 1992, “Purposive organization: Whitehead and Kant” in Process Studies, vol. 21, number 4: pp. 246 -258.
7Veken, Jan Van Der, 1990, "Process thought from a european perspective" ,in Process Studies, vol. 19, number 4: pp. 240 -247.
