M’Rithaa, Doreen Kainyu Mugendi, Mikko Korpela, Retha de La Harpe, and Sue Fawcus. 2013. “Activity Theory Model in Information Systems Research in Practice: Theoretical Framework for Information Communication During Management of Intrapartum”. Journal of Health Informatics in Africa 1 (1). https://doi.org/10.12856/JHIA-2013-v1-i1-47.