This curriculum is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
It basically means you can do whatever you want with the material as long as it's for non-commercial use but you've got to attribute the original author (Phillipe Martins - Inkasadev) and share any derivative works under the same license.
If you're interested in using the curriculum for commercial purposes or otherwise licensing material, feel free to get in touch at [email protected].