@inproceedings{c0062a1689994d6491bd3492c9180faf,
title = "Ethnomathematical barters",
author = "Sanchez, {Aldo Ivan Parra} and Paola Valero",
year = "2015",
language = "English",
volume = "3",
pages = "873--886",
editor = "Swapna Mukhopapadhyay and Brian Greer",
booktitle = "Proceedings of the Eighth International Mathematics Education and Society Conference (MES 8)",
publisher = "Ooligan Press, Portland State University",
note = "Eighth International Mathematics Education and Society Conference ; Conference date: 21-05-2015 Through 26-05-2015",
}