{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematics as an Educational Task","author_name":"Hans Freudenthal","thumbnail_url":"https://www.ebooknetworking.net/books/902/770/big9027703221.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9027703221.html\">Mathematics as an Educational Task</a>","width":400,"height":300}