Mainka, Christina (2010) Investigation of the applicability of the SOLO taxonomy in the qualitative content analysis of asynchronous online discussion. MPhil thesis, Edinburgh Napier University.

Brown, Norrie, Smyth, Keith and Mainka, Christina (2006) Looking for evidence of deep learning in constructively aligned online discussions. In: Proceedings of the fifth International Conference on Networked Learning 2006. Lancaster University , Lancaster. ISBN 1-86220-182-X