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License

Creative Commons License

Trayectos is an Open Educational Resource (OER), and, as such, it can be used freely, without the need for users to incur in any financial costs.

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/4.0/ or send a letter to Creative Commons PO Box 1866, Mountain View, CA 94042.