{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Discrete and Combinatorial Mathematics","author_name":"RALPH P. GRIMALDI","thumbnail_url":"https://www.ebooknetworking.net/books/935/343/big9353433053.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9353433053.html\">Discrete and Combinatorial Mathematics</a>","width":400,"height":300}