Sustainable Development: Economics and Policy P. K. Rao ISBN: 978-0-631-20994-2 Paperback 416 pages April 2000, Wiley-Blackwell US $74.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.