- Louis Coetzee and Paula Kotzé. 2018. The Internet of Things: Opportunities for Water, Sanitation and Hygiene (WASH) Management. Water Research Commission . ISBN: ISBN 978-0-6392-0018-7.
- National Department of Health and CSIR. 2014. National Health Normative Standards Framework for Interoperability in eHealth in South Africa, (Complete Version, Version 2.0, March 2014). Authors: Paula Kotzé, Funmi Adebesin, Rosemary Foster, Darelle van Greunen, and Alida Veldsman.
- Government Gazette (Government Notice 314, Government Gazette 37583) and the related HNSF version: The official Government Notice publishing the HNSF was issued on 23 April 2014.