Copyright Policy
The authors retain copyright under the CC BY-SA 4.0 license. However, the author has to sign a form agreeing to the publication of their article under the CC BY-SA 4.0 license.
The authors retain copyright under the CC BY-SA 4.0 license. However, the author has to sign a form agreeing to the publication of their article under the CC BY-SA 4.0 license.
