@article{c64ceb85f1a6444f935ae6899ce2cba8,
title = "Introduction",
author = "Martin Simon",
note = "Funding Information: The Measurement Approach to Rational Number (MARN) Project was a five-year NSF funded project that was extended to seven years. Its goals were to continue the work of the LTA program in exploring mathematics concept learning and how to promote it, specifically in the context of fraction and ratio concepts grounded in a measurement concept of fractions. Funding Information: This work was supported by the National Science Foundation under Grant No. DRL-1020154 . Any opinions, findings, and conclusions or recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the National Science Foundation.",
year = "2018",
month = dec,
doi = "10.1016/j.jmathb.2018.06.002",
language = "English (US)",
volume = "52",
pages = "92--94",
journal = "Journal of Mathematical Behavior",
issn = "0732-3123",
publisher = "Elsevier Inc.",
}