I am sorry for my English very rudimentary. I hope that everyone can understand the concepts contained in these pages. I translated it as best I could. Thank you.
PORTFOLIOS OF INTEREST:
If you believe the content of this site and my work could be useful you in some way and may change thine life, you can contribute to the preservation and dissemination of material contained in it with a donation of an amount completely free. Obviously you are not required but if someone decides to join me I will be infinitely grateful!