The classic book on a major modern theory

Systems Theory is a transdisciplinary field that involves complex combinations of different research fields with the purpose to explain the observed natural phe

Systems theorists see common principles in the structure and operation of systems of all kinds and sizes. They promote an interdisciplinary science adapted for

Niklas Luhmann ranks as one of the most important sociologists and social theorists of the twentieth century. Through his many books he developed a highly origi

Social systems occur in many contexts of social work. This book provides an easy-to-read introduction to systems thinking for social workers who will encounter