Bennett, R.
(2009).
 An investigation into some Key Stage 2 children's learning of foundation concepts associated with geared mechanisms.
<em>Journal Of Design & Technology Education, 1</em>(3).
Retrieved from <a href="https://www.ariadne.ac.uk/JDTE/article/view/268" target="_new">https://www.ariadne.ac.uk/JDTE/article/view/268</a>