{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Model Building in Mathematical Programming","author_name":"H. Paul Williams","thumbnail_url":"https://www.ebooknetworking.net/books/111/844/big1118443330.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1118443330.html\">Model Building in Mathematical Programming</a>","width":400,"height":300}