Teaching Cooperative Learning: The Challenge for Teacher Education – Elizabeth G. Cohen, Celeste M. Brody, Mara Sapon-Shevin – Google Books

https://books.google.com/books?hl=en&lr=&id=NzwiWZGfRroC&oi=fnd&pg=PR9&dq=Cohen+Designing+groupwork&ots=WeYZ2A8VHQ&sig=FJiE4sQjo3IaAlGBkYEqLZYx-4o#v=onepage&q=Cohen%20Designing%20groupwork&f=false

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