@inproceedings{4653ed8da2c74442936d641e8fe78a64,
title = "Empirical Hierarchy of pupils{\textquoteright} attainment of measurement in early primary school years",
author = "A. Petridou and M. Pampaka and C. Hadjidemetriou and J Williams and L. Wo",
year = "2007",
language = "English",
pages = "476--485",
booktitle = "Proceedings of the Fifth Congress of the European Society for Research in Mathematics Education (CERME)",
note = "Fifth Congress of the European Society for Research in Mathematics Education (CERME) ; Conference date: 01-01-1824",
}