{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Essays on SIGMA: Simulation and Implementation of General Mathematical Activity","author_name":"Dr John S N Elvey","thumbnail_url":"https://www.ebooknetworking.net/books/150/286/big1502869535.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1502869535.html\">Essays on SIGMA: Simulation and Implementation of General Mathematical Activity</a>","width":400,"height":300}