{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Motivation and Punishment of Referees in non-professional Football: An Analysis of existing Problems and the Development of Solution Strategies with particular Regard to the Principal-Agent Theory","author_name":"Michael Negri","thumbnail_url":"https://www.ebooknetworking.net/books/384/285/big384285224X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-384285224X.html\">Motivation and Punishment of Referees in non-professional Football: An Analysis of existing Problems and the Development of Solution Strategies with particular Regard to the Principal-Agent Theory</a>","width":400,"height":300}