what are the key points in this excerpt?: A review and explanation of the literature on organizations and their management, integrated with a review of the research on public organizations and public bureaucracy, supports improved management and performance of public organizations. These two bodies of research and thought are related but separate. Their integration imposes a major challenge for those interested in public management. The character of these fields and of their separation needs clarification. We can begin that process by noting that scholars in sociology, psychology, and business administration have developed an elaborate body of knowledge in the fields of organizational behavior and organization theory