Web Reference
https://www.gsb.stanford.edu/faculty-research/centers-initiatives/csi/defining-social-innovation
http://mckinseyonsociety.com/topics/social-innovation/
http://www.grameencreativelab.com/a-concept-to-eradicate-poverty/7-principles.html
http://www.socialbusinessmodelcanvas.com/
http://www.socialinnovator.info/ways-supporting-social-innovation/market-economy/social-business-models
http://xn--sociale-entreprenrer-rcc.dk/assets/files/How-To-Choose-Proper-Business-Model-for-SE.pdf
