What has the author Harilla Goga written?

There is no author by the name of "Harilla Goga" in any major literary databases or author directories. It's possible that:

* The name is misspelled. Double-check the spelling and try searching again.

* The author uses a pen name. Check for other potential names or aliases.

* The author is relatively unknown. New authors might not be widely listed in major databases.

If you have any other details about the author or their work, like a specific genre or a book title, it might help in finding information.