The following publications are possibly variants of this publication:
- Web-based implementation of the Personalised System of Instruction: A case study of teaching mathematics in an online learning environmentWillem-Paul Brinkman, A. Rae, Yogesh Kumar Dwivedi. International Journal of Web-based Learning and Teaching Technologies, 2(1), 2007.
- Computer-Aided Personalised System of Instruction for Teaching Mathematics in an Online Learning EnvironmentWillem-Paul Brinkman, A. Rae, Yogesh Kumar Dwivedi. Solutions and Innovations in Web-Based Technologies for Augmented Learning: Improved Platforms and Tools and Applications, :271-299, 2009.
- Web-based implementation of the Personalised System of Instruction: A case study of teaching mathematics in an online learning environmentWillem-Paul Brinkman, A. Rae, Yogesh Kumar Dwivedi. Preprint 2007.