{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Natural Resource and Environmental Economics (4th Edition)","author_name":"Roger Perman, Yue Ma, Michael Common, David Maddison, James Mcgilvray","thumbnail_url":"https://www.ebooknetworking.net/books/032/141/big0321417534.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0321417534.html\">Natural Resource and Environmental Economics (4th Edition)</a>","width":400,"height":300}