Radford, Luis (2009). «Why do gestures matter? Sensuous cognition and the palpability of mathematical meanings». Educational Studies in Mathematics. 70 (2): 111–126. doi:10.1007/s10649-008-9127-3
Schiralli, Martin; Sinclair, Natalie (2003). «A constructive response to 'Where mathematics comes from'». Educational Studies in Mathematics. 52: 79–91. doi:10.1023/A:1023673520853