{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Introduction to operations research","author_name":"Churchman, C. West","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07F/bigB0007FOH2K.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007FOH2K.html\">Introduction to operations research</a>","width":400,"height":300}