{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Experimental and Quasi-Experimental Designs for Research","author_name":"Donald T. Campbell, Julian Stanley","thumbnail_url":"https://www.ebooknetworking.net/books/039/530/big0395307872.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0395307872.html\">Experimental and Quasi-Experimental Designs for Research</a>","width":400,"height":300}