1. Barron, B., Martin, C. K., Mertl, V., & Yassine, M. (2016). Citizen science: Connecting to nature through networks. In U. Cress, J. Moskaliuk, & H. Jeong (Eds.), Mass collaboration and education. Cham, Switzerland: Springer.
2. Cakir, H. (2013). Use of blogs in pre-service teacher education to improve student engagement. Computers & Education, 68, 244–252.
3. Collins, A. (2016). A brief history of mass collaboration. In U. Cress, J. Moskaliuk, & H. Jeong (Eds.), Mass collaboration and education. Cham, Switzerland: Springer.
4. Cress, U., Barron, B., Halatchliyski, I., Oeberst, A., Forte, A., Resnick, M., & Collins, A. (2013). Mass collaboration—an emerging field for CSCL research. To see the world and a grain of sand: Learning across levels of space, time and scale: CSCL 2013 Proceedings, 1, 557–563.
5. Cress, U., Feinkohl, I., Jirschitzka, J., & Kimmerle, J. (2016). Mass collaboration as co-evolution of cognitive and social systems. In U. Cress, J. Moskaliuk, & H. Jeong (Eds.), Mass collaboration and education. Cham, Switzerland: Springer.