“Developing Knowledge-Based Systems” by Robert J. Mockler is a textbook published in 1992 by Prentice Hall PTR. The book covers topics related to computers, specifically focusing on knowledge-based systems, expert systems, and software development & engineering. Written in English, this trade paperback book serves as a valuable resource for those interested in understanding and developing knowledge-based systems. With a strong emphasis on practical applications, this book is a must-have for students and professionals in the field of management information systems and systems analysis & design. The book has some wear and there is writing on the inner cover page