{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Purposeful Engineering Economics","author_name":"Ronald A. Chadderton","thumbnail_url":"https://www.ebooknetworking.net/books/331/918/big331918847X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-331918847X.html\">Purposeful Engineering Economics</a>","width":400,"height":300}