* Add Kotlin Quick Reference online book. https://kotlin-quick-reference.com/ * Update free-programming-books-langs.md * Update books/free-programming-books-langs.md Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com> * Update free-programming-books-langs.md Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>
@@ -1321,6 +1321,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
* [Kotlin Notes for Professionals](https://goalkicker.com/KotlinBook/) - Compiled from StackOverflow documentation (PDF)
* [Kotlin Official Documentation](https://kotlinlang.org/docs/reference/)
+* [Kotlin Quick Reference](https://kotlin-quick-reference.com) - Alvin Alexander (gitbook)
* [Learning Kotlin](https://riptutorial.com/Download/kotlin.pdf) (PDF)
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