Dewey, J. (1967) Democracy and Education. New York, NY: The Free Press.
Dörfler, W. (1991) ‘Meaning: image schemata and protocols: plenary lecture’, in Furinghetti, F. (ed.), Proceedings of PME XV, Vol. I, pp. 95–126.
National Council of Educational Research and Training (2005) National Curriculum Framework (NCF). New Delhi: NCERT.
National Council of Educational Research and Training (2009) National Curriculum Framework for Teacher Education (NCFTE). New Delhi: NCERT.
Papert, S. (1980) Mindstorms: Children, Computers, and Powerful Ideas. New York, NY: Basic Books.
Watson, A., Jones, K. and Pratt, D. (2013) Key Ideas in Teaching Mathematics. Oxford: Oxford University Press.
Van Hiele, P. (1986) Structure and Insight: A Theory of Mathematics Education. Orlando, FL: Academic Press.