diff --git a/Aprender.md b/Aprender.md
new file mode 100644
index 0000000..42c53f2
--- /dev/null
+++ b/Aprender.md
@@ -0,0 +1 @@
+- [What Works, What Doesn't](https://presentationcollege.ie/wp-content/uploads/2017/10/What-works-what-doesnt.pdf) dice que [self-testing](https://takinglearningseriously.com/self-testing/) y [spaced repetition](https://en.wikipedia.org/wiki/Spaced_repetition) son las formas más efectivas de estudiar.