[backcolor=rgba(255, 255, 255, 0)]求图书《a primer on nonmarket valuation》，
A Primer on Nonmarket Valuation (The Economics of Non-Market Goods and Resources) [Paperback] Patricia A. Champ (Editor), K.J. Boyle (Editor), Thomas C. Brown (Editor)
Paperback: 592 pages Publisher: Springer; 1 edition (October 1, 2003) Language: English ISBN-10:1402014457 ISBN-13: