Schawartz, B. (2012). Rippling: How social entrepreneurs spread innovation throughout the world. San Francisco: Jossey -Bass.
Trích dẫn kiểu ChicagoSchawartz, Beverly. Rippling: How Social Entrepreneurs Spread Innovation Throughout the World. San Francisco: Jossey -Bass, 2012.
Deismireacht MLASchawartz, Beverly. Rippling: How Social Entrepreneurs Spread Innovation Throughout the World. San Francisco: Jossey -Bass, 2012.
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