@book{21988,
	author = {Ludwig, Christian||Van de Poel, Kris},
	title = {Collaborative Learning and New Media},
	url = {https://library.oapen.org/bitstream/20.500.12657/47862/1/external_content.pdf||https://library.oapen.org/bitstream/20.500.12657/47862/1/external_content.pdf}
}